{"id":6548,"date":"2026-06-01T03:01:43","date_gmt":"2026-06-01T03:01:43","guid":{"rendered":"https:\/\/jinyipackage.com\/?p=6548"},"modified":"2026-06-01T03:01:43","modified_gmt":"2026-06-01T03:01:43","slug":"what-packaging-does-lays-use","status":"publish","type":"post","link":"https:\/\/jinyipackage.com\/fr\/custom-pouches\/what-packaging-does-lays-use\/","title":{"rendered":"De quoi sont faits les sacs de chips Lay's ? Un fabricant d'emballages souples l'explique"},"content":{"rendered":"

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JINYI donne des conseils pratiques en mati\u00e8re d'emballage pour vous aider \u00e0 prendre vos d\u00e9cisions.<\/div>\n<\/div>\n

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Lay’s is the best-selling potato chip brand in the world. Owned by Frito-Lay, the snack division of PepsiCo, it sells under different names across more than 100 countries \u2014 Walkers in the UK, Sabritas in Mexico, Smith’s in Australia \u2014 but the product and the packaging logic are essentially the same everywhere: a thin, printed, flexible bag that protects a fragile, oily snack with a long retail shelf life. For most shoppers, that bag is the most familiar piece of flexible packaging on earth.<\/p>\n

Et presque personne ne se pr\u00e9occupe de la fa\u00e7on dont il est construit. Le sac semble jetable, l\u00e9ger, presque fragile. Mais cette impression est exactement ce qu'un bon emballage de snack est cens\u00e9 cr\u00e9er. Derri\u00e8re l'impression brillante se cache un film lamin\u00e9 multicouche con\u00e7u pour bloquer l'oxyg\u00e8ne, l'humidit\u00e9 et la lumi\u00e8re, r\u00e9sister \u00e0 une ligne de remplissage \u00e0 grande vitesse produisant des centaines de sacs par minute et conserver les chips croustillantes pendant des mois, le tout pour un co\u00fbt unitaire de quelques centimes d'euros.<\/p>\n

Lay’s reaches that scale because it is part of Frito-Lay, which dominates the salty-snack category in North America and many other markets. The brand traces back to the 1930s and the potato-chip business Herman Lay built in the American South; a 1961 merger created Frito-Lay, and a 1965 merger with Pepsi-Cola created PepsiCo. That history matters to packaging in one specific way: a brand selling at this volume standardizes its film and its lines to a degree a small brand never will, optimizing every micron of thickness and every second of line speed because the savings multiply across billions of bags. The bag is cheap precisely because it has been engineered to be.<\/p>\n

This article breaks down what a Lay’s bag is actually made of, from the perspective of a flexible packaging factory. We will look at the formats Lay’s uses, why the bag is filled with nitrogen rather than air, what the silver layer inside really is, and how PepsiCo is reworking the whole structure for recyclability. If you are a brand sourcing your own chip or snack packaging, the same engineering decisions apply to you \u2014 at a far smaller scale than Lay’s, but with the same physics.<\/p>\n

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\"Plusieurs<\/div>\n

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Lay’s Packaging Formats: The Pillow Bag and Its Variations<\/h2>\n

The overwhelming majority of Lay’s products ship in a sac d'oreiller<\/strong> - un format simple et l\u00e9ger obtenu en pliant une seule bande de film en un tube, en le scellant \u00e0 l'arri\u00e8re et en scellant les deux extr\u00e9mit\u00e9s. C'est ce qui sort d'une machine verticale de formage-remplissage-scellage (VFFS), le cheval de bataille de l'industrie des snacks. Le film arrive sous la forme d'un rouleau imprim\u00e9, la machine le forme en sac, y d\u00e9pose une portion de chips pes\u00e9e, rince le sac avec du gaz et le scelle - le tout en une fraction de seconde, des centaines de fois par minute.<\/p>\n

Le pillow bag domine pour de bonnes raisons. Il utilise le moins de film de tous les formats, il est le plus rapide sur une ligne VFFS et sa forme souple, partiellement gonfl\u00e9e, prot\u00e8ge physiquement les chips contre l'\u00e9crasement lors de l'exp\u00e9dition et de la manutention. Pour un produit compos\u00e9 essentiellement d'air et qui se casse facilement, ce rembourrage est une caract\u00e9ristique, pas un d\u00e9faut. La m\u00eame logique s'applique \u00e0 presque toutes les marques de jetons, ce qui explique pourquoi un jeton VFFS est un produit de qualit\u00e9. sac d'oreiller<\/a> reste le point de d\u00e9part par d\u00e9faut pour toute marque de snacks qui \u00e9value l'emballage.<\/p>\n

Format choice is also an economics decision, not just a protection one. A back-sealed pillow bag is the cheapest structure to make and the fastest to fill, but it lies flat and cannot stand on shelf \u2014 fine for chips that sell from a clip strip or a horizontal display, less ideal where a brand is fighting for vertical shelf presence. That trade-off between cost-per-bag and shelf visibility is the first decision any snack brand makes, and it is the same one Lay’s makes differently for a single-serve impulse bag versus a premium sharing line.<\/p>\n

Lay’s does use other formats around the edges. Multipacks bundle small single-serve pillow bags inside a printed carton for lunchboxes and club stores. Some premium or regional lines use a sac \u00e0 fond plat ou \u00e0 soufflets<\/a> qui se tient droit sur l'\u00e9tag\u00e8re pour renforcer l'image de marque. Et il y a une exception qui m\u00e9rite d'\u00eatre nomm\u00e9e sans ambages : Lay’s Stax<\/strong>, the stackable-crisp line, ships in a rigid plastic (HDPE) canister rather than a bag. It competes directly with Pringles and sits outside flexible packaging entirely. It is a small part of the Lay’s portfolio, but a complete picture of the brand’s packaging has to include it.<\/p>\n<\/div>\n

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Note de format :<\/strong> “Pillow bag” and “fin-seal bag” describe the same thing \u2014 a back-sealed tube. It is the cheapest, fastest snack format, but it cannot stand on shelf. If shelf presence matters more than cost, a stand-up format is the trade-off, at slightly higher film usage per bag.<\/p>\n<\/div>\n

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The “Air” Inside Isn’t Air \u2014 It’s Nitrogen<\/h2>\n

The single most common complaint about chip bags is that they are “full of air.” They are not. They are full of l'azote<\/strong>, L'azote est inerte : il ne r\u00e9agit pas avec les huiles contenues dans les frites comme le fait l'oxyg\u00e8ne. L'azote est inerte - il ne r\u00e9agit pas avec les huiles contenues dans les frites comme le fait l'oxyg\u00e8ne. En rin\u00e7ant le sac avec de l'azote et en d\u00e9pla\u00e7ant l'oxyg\u00e8ne avant de le sceller, la ligne emp\u00eache les frites de rancir et de se p\u00e9rimer, ce que l'exposition \u00e0 l'oxyg\u00e8ne provoque en quelques jours.<\/p>\n

The gas also serves as a shock absorber. That cushion of nitrogen is why a bag can be thrown into a delivery truck, stacked, and shelved without the chips inside turning to crumbs. The trade-off is obvious at the shelf \u2014 the bag looks far emptier than the snacker would like \u2014 but the “slack fill” is a deliberate protective design, not a trick to sell less product. The headspace is calibrated to the fragility of the chip and the rough handling of modern distribution.<\/p>\n

There is a commercial limit to the slack fill, too. Regulators in most markets treat deceptive “non-functional” headspace as a labeling issue, so the gas volume has to be justifiable as protection rather than as a way to inflate perceived size. In practice, the headspace on a chip bag is tuned to the breakage rate observed in shipping tests: enough cushion to keep the damage rate low, no more. For a brand, that means the bag size and fill level are a packaging-engineering decision, not just a graphic-design one.<\/p>\n

Pour le film, tout cela est important car le rin\u00e7age \u00e0 l'azote ne fonctionne que si le sac poss\u00e8de une forte barri\u00e8re \u00e0 l'oxyg\u00e8ne. Un sac qui laisse lentement s'\u00e9chapper l'oxyg\u00e8ne va \u00e0 l'encontre de l'objectif recherch\u00e9 : l'azote est progressivement remplac\u00e9 par l'oxyg\u00e8ne qui p\u00e9n\u00e8tre \u00e0 travers le film, et les chips sont p\u00e9rim\u00e9es avant la date de p\u00e9remption imprim\u00e9e. C'est cette exigence de barri\u00e8re, plus que toute autre, qui motive le choix des mat\u00e9riaux dans la section suivante. Le gaz et le film forment un seul et m\u00eame syst\u00e8me : si l'un est affaibli, l'autre ne peut pas compenser.<\/p>\n<\/div>\n

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Film Structure: What a Lay’s Bag Is Actually Made Of<\/h2>\n

Un sac \u00e0 frites conventionnel n'est pas constitu\u00e9 d'un seul mat\u00e9riau, mais d'un lamin\u00e9 de deux ou trois films coll\u00e9s ensemble, chacun \u00e9tant choisi pour une t\u00e2che diff\u00e9rente. Aucun plastique ne r\u00e9pond \u00e0 tous les besoins d'un sac \u00e0 frites. Un film s'imprime bien et donne de la rigidit\u00e9 au sac ; un autre bloque l'oxyg\u00e8ne et la lumi\u00e8re ; un troisi\u00e8me fond proprement pour former un joint et r\u00e9siste \u00e0 l'huile contenue dans les frites. Le laminage permet \u00e0 un transformateur de combiner ces propri\u00e9t\u00e9s en une seule bande de film qui reste plus fine qu'une feuille de papier.<\/p>\n

The most common structure for a chip bag like Lay’s is a metallized three-layer build: a printable outer film, a metallized barrier film in the middle, and a sealable inner film. The graphics you see are reverse-printed \u2014 printed on the underside of the outer film before lamination \u2014 so the ink is sealed between layers and cannot scuff off in handling. The exact gauges and laminate vary by region and production line, but the functional logic is consistent across the industry. The structure below is estimated on that industry-standard basis.<\/p>\n

Pour comprendre pourquoi la construction est si sp\u00e9cifique, il est utile de citer ce qui d\u00e9grade r\u00e9ellement une puce. Trois choses : l'oxyg\u00e8ne, qui rend l'huile de friture rance ; l'humidit\u00e9, qui ramollit une chips croustillante ; et la lumi\u00e8re, en particulier les UV, qui acc\u00e9l\u00e8re l'oxydation de l'huile. Un sac en plastique transparent \u00e0 une seule couche n'arr\u00eate pratiquement aucun de ces \u00e9l\u00e9ments, ce qui permet une dur\u00e9e de conservation de plusieurs mois. La couche m\u00e9tallis\u00e9e comble les trois lacunes \u00e0 la fois : elle est presque opaque \u00e0 la lumi\u00e8re et le m\u00e9tal d\u00e9pos\u00e9 r\u00e9duit consid\u00e9rablement la vitesse \u00e0 laquelle l'oxyg\u00e8ne et la vapeur d'eau traversent le film. Tout le reste de la structure sert \u00e0 rendre cette couche barri\u00e8re imprimable \u00e0 l'ext\u00e9rieur et scellable \u00e0 l'int\u00e9rieur.<\/p>\n<\/div>\n

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Couche (ext\u00e9rieure \u2192 int\u00e9rieure)<\/th>\nEstimation du mat\u00e9riel<\/th>\nFonction<\/th>\n<\/tr>\n<\/thead>\n
Couche d'impression (ext\u00e9rieure)<\/td>\nBOPP, 18-20 \u03bcm<\/td>\nRigidit\u00e9, finition brillante ou mate, graphisme r\u00e9tro-imprim\u00e9 prot\u00e9g\u00e9 sous la surface.<\/td>\n<\/tr>\n
Couche barri\u00e8re (milieu)<\/td>\nPET m\u00e9tallis\u00e9 (VMPET), 12 \u03bcm<\/td>\nBloque l'oxyg\u00e8ne, l'humidit\u00e9 et la lumi\u00e8re ; la source de l'int\u00e9rieur argent\u00e9<\/td>\n<\/tr>\n
Couche d'\u00e9tanch\u00e9it\u00e9 interne (\u00e0 l'int\u00e9rieur)<\/td>\nPE de qualit\u00e9 alimentaire, 30-60 \u03bcm<\/td>\nCouche thermoscell\u00e9e ; r\u00e9sistance \u00e0 l'huile et \u00e0 la graisse contre les copeaux<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

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Note: Film structure is estimated based on industry-standard chip-bag specifications and PepsiCo’s stated material directions. Lay’s has not published an official layer-by-layer material breakdown, and specifications vary by market and production line.<\/p>\n

Certaines versions \u00e0 haute barri\u00e8re ou \u00e0 feuille d'aluminium remplacent le PET m\u00e9tallis\u00e9 par une feuille d'aluminium pour une barri\u00e8re encore plus \u00e9tanche et une dur\u00e9e de conservation de six \u00e0 neuf mois, \u00e0 un co\u00fbt plus \u00e9lev\u00e9. La feuille d'aluminium est le choix qui s'impose lorsque le produit est tr\u00e8s sensible \u00e0 l'oxyg\u00e8ne ou qu'il doit survivre \u00e0 un long transport maritime et \u00e0 une rotation lente du commerce de d\u00e9tail. Pour un snack \u00e0 rotation rapide qui se vend en quelques semaines, ce niveau de protection est g\u00e9n\u00e9ralement plus important que ce dont le produit a besoin, et le co\u00fbt suppl\u00e9mentaire n'est pas rentabilis\u00e9. Pour sp\u00e9cifier un sac de chips, il faut savoir faire correspondre la barri\u00e8re \u00e0 la dur\u00e9e de conservation et \u00e0 la distribution, et non acheter le film le plus r\u00e9sistant qui soit.<\/p>\n

L'ing\u00e9nierie profonde qui sous-tend l'impression, le laminage et la transformation de ces couches en un sac fini - y compris la formation et le test de la soudure - est abord\u00e9e en d\u00e9tail dans notre guide sur les comment sont fabriqu\u00e9es les pochettes sur mesure<\/a>.<\/p>\n

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\"Diagramme
Structure de barri\u00e8re BOPP \/ VMPET \/ PE - une construction standard de sac \u00e0 puce JINYI.<\/figcaption><\/figure>\n<\/div>\n

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La couche d'argent : M\u00e9tallis\u00e9e, pas en feuille<\/h2>\n

Open a Lay’s bag and the inside is silver. Most people assume that is aluminum foil. For a standard Lay’s bag, it usually isn’t. It is a film m\u00e9tallis\u00e9<\/strong> - typiquement le VMPET, un film polyester avec une couche extr\u00eamement fine d'aluminium d\u00e9pos\u00e9e sous vide \u00e0 sa surface. La couche m\u00e9tallique est mesur\u00e9e en nanom\u00e8tres, soit une fraction infime de l'\u00e9paisseur d'une v\u00e9ritable feuille d'aluminium.<\/p>\n

The distinction is not pedantic \u2014 it changes cost, performance and recyclability. Metallized film gives you most of the light and oxygen barrier of foil at a much lower cost and weight, and it flexes without the pinholing that thin foil suffers when crumpled. True aluminum foil delivers a near-absolute barrier and is reserved for products that need the longest shelf life or the highest protection, where the added cost is justified. A snack with high turnover like Lay’s rarely needs full foil; metallized film hits the right balance of protection and price.<\/p>\n

For a brand sourcing its own bags, this is one of the most common and expensive points of confusion. Specifying foil when metallized film would do is a frequent way to overspend on packaging \u2014 a decision worth making deliberately rather than by default. The reverse mistake is also costly: choosing a clear or lightly metallized film for a product that genuinely needs a light barrier, then watching shelf life fall short. The right answer is set by the product’s sensitivity to oxygen and light, not by which film looks more premium.<\/p>\n

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3-layer film structure used in JINYI’s custom chip bags.<\/figcaption><\/figure>\n<\/div>\n

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Conseil en mati\u00e8re d'approvisionnement :<\/strong> “Metallized” and “foil” are not interchangeable on a spec sheet. Metallized film (VMPET\/VMCPP) is lighter, cheaper and flexes without pinholing; true aluminum foil is the absolute barrier for the longest shelf life. Ask your supplier which one a quote is based on \u2014 the cost difference is real.<\/p>\n<\/div>\n

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Lay’s Shift Toward Recyclable Packaging<\/h2>\n

The conventional chip bag has one significant drawback: it is hard to recycle. A laminate of polypropylene, metallized polyester and polyethylene bonded together cannot easily be separated back into its component materials, so most chip bags end up in landfill or incineration. PepsiCo has publicly committed to addressing this, with goals around recyclable, compostable or biodegradable packaging and cutting virgin plastic \u2014 and it has been running material trials, largely in European markets, including renewable-content films on Lay’s in France and recycled content on the Walkers brand in the UK.<\/p>\n

En toute honn\u00eatet\u00e9, les ing\u00e9nieurs estiment que la t\u00e2che est ardue et que les progr\u00e8s sont in\u00e9gaux. L'industrie s'oriente vers structures monomat\u00e9rielles<\/strong> \u2014 a bag built primarily from a single polymer family, usually all-PE, so it fits existing recycling streams. The catch is that a mono-material film does not match the barrier of a metallized laminate, so brands compensate with heavier nitrogen flushing and barrier coatings to keep the chips fresh. Some of PepsiCo’s moves, such as a paper-based box trial, have also drawn criticism for retaining hard-to-recycle plastic-and-aluminum inner membranes while marketing the outer carton as recyclable. It is a transition in progress, not a solved problem.<\/p>\n

Il s'agit du m\u00eame compromis auquel toutes les marques sont aujourd'hui confront\u00e9es entre la performance des barri\u00e8res et la recyclabilit\u00e9. Lavazza s'oriente vers un film mono-mat\u00e9riau recyclable<\/a> pour son caf\u00e9. Pour les marques plus petites, les structures mono-mat\u00e9riau recyclables sont de plus en plus disponibles, mais elles doivent \u00eatre sp\u00e9cifi\u00e9es en gardant \u00e0 l'esprit le compromis entre les barri\u00e8res, et ne pas \u00eatre adopt\u00e9es uniquement comme un label marketing.<\/p>\n

\"Rang\u00e9e<\/p>\n

En termes pratiques, un sac \u00e0 go\u00fbter recyclable aujourd'hui signifie g\u00e9n\u00e9ralement un lamin\u00e9 tout PE, souvent associ\u00e9 \u00e0 une fine couche barri\u00e8re telle qu'un EVOH ou une couche m\u00e9tallis\u00e9e conserv\u00e9e dans la m\u00eame famille de polym\u00e8res afin que la structure soit toujours consid\u00e9r\u00e9e comme un mono-mat\u00e9riau. Ces films co\u00fbtent plus cher au m\u00e8tre carr\u00e9 qu'un lamin\u00e9 conventionnel et sont un peu plus lents sur les lignes d'emballage, et leur barri\u00e8re est bonne mais pas \u00e9gale \u00e0 celle d'un film. La question de savoir si le jeu en vaut la chandelle d\u00e9pend enti\u00e8rement du produit : un snack qui se vend en quelques semaines peut absorber une barri\u00e8re l\u00e9g\u00e8rement inf\u00e9rieure beaucoup plus facilement qu'un produit qui reste en rayon pendant un an.<\/p>\n

There is also a credibility dimension. As the PepsiCo box example shows, “recyclable” claims invite scrutiny, and regulators and consumers are increasingly skeptical of packaging that is technically recyclable only in conditions most people never have access to. For a brand, the safest position is honesty: specify what the structure genuinely is, label it accurately, and avoid overstating compostability or recyclability beyond what the local waste system can actually handle. That honesty is itself becoming a competitive advantage as scrutiny rises.<\/p>\n<\/div>\n

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S'approvisionner en sacs de chips : Ce qui compte vraiment<\/h2>\n

Lay’s runs at a scale almost no brand can match \u2014 gravure-printed rollstock by the ton, dedicated VFFS lines, custom film specifications. But the engineering decisions behind a Lay’s bag scale down directly to a brand ordering its first run of snack packaging. The questions are the same: which format, which barrier, and how much shelf life do you actually need.<\/p>\n

What does not scale down is the assumption that you must copy Lay’s exactly. A startup snack brand selling through farmers’ markets and a few regional grocers does not need a nine-month foil shelf life or a gravure run of a million bags. Over-specifying the bag to match a global brand is one of the fastest ways a small brand burns its packaging budget. The right specification starts from your real distribution \u2014 how fast the product sells, how far it ships, how it is displayed \u2014 and works backward to the film, rather than starting from “what does Lay’s use.”<\/p>\n

\"Infographie
JINYI’s custom chip bag service, from design to delivery.<\/figcaption><\/figure>\n

Pour la plupart des marques de snacks, la r\u00e9ponse pratique est une sac d'oreiller<\/a> pour les portions individuelles et les formats \u00e0 partager en fonction des co\u00fbts, ou une sac \u00e0 dos<\/a> o\u00f9 la pr\u00e9sence en rayon est plus importante que le co\u00fbt unitaire. En ce qui concerne la barri\u00e8re, une structure BOPP\/VMPET\/PE m\u00e9tallis\u00e9e couvre la plupart des snacks frits et cuits au four ; un film complet est rarement n\u00e9cessaire et entra\u00eene g\u00e9n\u00e9ralement des d\u00e9penses excessives. En ce qui concerne la durabilit\u00e9, un film mono-mat\u00e9riau recyclable vaut la peine d'\u00eatre demand\u00e9 - avec une conversation claire sur le compromis de la barri\u00e8re plut\u00f4t qu'une case \u00e0 cocher.<\/p>\n

The biggest difference between Lay’s and a growing brand is order volume. PepsiCo commits to enormous gravure runs; a new or mid-size brand needs low minimums, the ability to test a design before scaling, and full material documentation so it knows exactly what it is buying. That is the gap a source factory fills \u2014 digital print from low minimums for testing, gravure at volume when the design is proven, and every film specification documented as standard.<\/p>\n

The print method itself follows volume. Gravure printing, which Lay’s uses, has a high setup cost per design because each color needs an engraved cylinder \u2014 it only pays off across very large runs. Digital printing has no plate cost, so it is economical at low volumes and lets a brand run several flavor variants or seasonal designs without committing to cylinders for each. At JINYI, that digital capability runs on a bank of HP Indigo presses \u2014 including high-speed short-run and quick-turnaround models \u2014 alongside a 10-color gravure line for volume production, so a brand can start on digital and move to gravure on the same factory floor as it scales. The practical path for most brands is to launch and test on digital, validate which designs and sizes actually sell, then move the proven winners to gravure once volume justifies the tooling. Treating the first order as a test rather than a full commitment is how brands avoid printing tens of thousands of a bag the market has not confirmed it wants.<\/p>\n<\/div>\n

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HP Indigo 25K \u00e0 JINYI - sortie couleur coh\u00e9rente sur tous les syst\u00e8mes de presse gr\u00e2ce \u00e0 ESKO Automation Engine<\/figcaption><\/figure>\n<\/div>\n

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Vous recherchez un emballage personnalis\u00e9 pour des snacks ou des chips ?<\/p>\n

JINYI produces pillow bags, stand-up pouches and high-barrier snack packaging in metallized and recyclable structures \u2014 with low minimums for testing and full material documentation as standard. Tell us your product and we’ll recommend the right format and film.<\/p>\n

Obtenir un devis pour l'emballage \u2192<\/a><\/p>\n<\/div>\n

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\u00c0 propos de JINYI<\/p>\n

JINYI est une usine de production d'emballages flexibles sur mesure, avec plus de 15 ans d'exp\u00e9rience dans la production, au service de marques de produits alimentaires, de compl\u00e9ments alimentaires, de caf\u00e9, d'aliments pour animaux de compagnie et de biens de consommation dans plus de 70 pays. Nous produisons des sachets \u00e0 fond plat, des sachets coussins et des sachets \u00e0 soufflets lat\u00e9raux en PET\/AL\/PE, PET\/VMPET\/PE et autres sp\u00e9cifications de barri\u00e8re - via l'impression num\u00e9rique HP Indigo \u00e0 partir de 500 unit\u00e9s et l'impression h\u00e9lio en volume - avec une documentation compl\u00e8te sur les mat\u00e9riaux incluse en standard dans chaque commande.<\/p>\n

C'est ce que Du film au produit fini - bien fait<\/em> dans la pratique.<\/p>\n<\/div>\n

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\"Elsa<\/p>\n
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Elsa<\/p>\n

Responsable du d\u00e9veloppement commercial - JINYI Packaging<\/span><\/p>\n<\/div>\n

Elsa dirige le d\u00e9veloppement commercial et la gestion des commandes des clients chez JINYI. Avec 8 ans d'exp\u00e9rience dans le commerce ext\u00e9rieur \u00e0 Yiwu et Dongguan, elle a une connaissance approfondie de la demande du march\u00e9 et des besoins r\u00e9els des acheteurs, ce qui lui permet de prendre les bonnes d\u00e9cisions en mati\u00e8re d'emballage sur la base d'une connaissance r\u00e9elle du client.<\/p>\n

Besoins des clients<\/span>
\nGestion des commandes<\/span>
\nD\u00e9veloppement des entreprises<\/span><\/div>\n
Voir l'\u00e9quipe \u2192<\/a>
\nContact \u2192<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Questions fr\u00e9quemment pos\u00e9es<\/h2>\n
\n

What are Lay’s chip bags made of?<\/p>\n

A standard Lay’s bag is a multilayer laminated film, typically a printable BOPP outer layer, a metallized PET (VMPET) barrier layer in the middle, and a food-grade PE inner seal layer. Exact specifications vary by market and are not officially published by Lay’s.<\/p>\n<\/div>\n

\n

Is the silver inside a Lay’s bag aluminum foil?<\/p>\n

En g\u00e9n\u00e9ral, non. Pour la plupart des sacs de chips, il s'agit d'un film m\u00e9tallis\u00e9 - un film de polyester sur lequel est d\u00e9pos\u00e9e sous vide une couche ultrafine d'aluminium. Il offre la plupart des barri\u00e8res du papier d'aluminium \u00e0 un co\u00fbt et \u00e0 un poids moindres, et il se plie sans se coincer.<\/p>\n<\/div>\n

\n

Pourquoi les sacs de chips contiennent-ils autant d'air ?<\/p>\n

Il ne s'agit pas d'air, mais d'azote. Le gaz inerte d\u00e9place l'oxyg\u00e8ne pour emp\u00eacher les copeaux huileux de rancir et agit comme un coussin qui prot\u00e8ge les copeaux fragiles de l'\u00e9crasement pendant l'exp\u00e9dition et la manutention.<\/p>\n<\/div>\n

\n

Are Lay’s bags recyclable?<\/p>\n

Les sacs de chips conventionnels sont difficiles \u00e0 recycler parce qu'ils sont constitu\u00e9s de plusieurs mat\u00e9riaux diff\u00e9rents. PepsiCo s'est engag\u00e9 en faveur d'emballages plus recyclables et teste des structures renouvelables et mono-mat\u00e9riaux, principalement en Europe, mais les sacs conventionnels restent en grande partie non recyclables dans les flux standard.<\/p>\n<\/div>\n

\n

Puis-je commander des sacs \u00e0 puce personnalis\u00e9s avec un faible minimum ?<\/p>\n

Yes. Through digital printing, custom snack bags can be produced at far lower minimums than the gravure runs used by brands like Lay’s \u2014 ideal for testing a design before scaling to volume gravure production. JINYI offers digital print from low minimums with full material documentation.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Lay’s chip bags look simple, but they’re a precision-engineered multilayer film built for high-speed packing lines \u2014 and PepsiCo is now reworking that structure for recyclability. A flexible packaging manufacturer breaks down what the bag is actually made of, why it’s filled with nitrogen, and what it means if you’re sourcing your own snack packaging.<\/p>","protected":false},"author":4,"featured_media":6553,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"What Are Lay's Chip Bags Made Of? A Factory Breakdown","_seopress_titles_desc":"Lay's chip bags use a metallized BOPP\/PET\/PE film \u2014 not foil \u2014 engineered for high-speed lines. A factory breaks down the layers, the nitrogen, and the recyclable shift.","_seopress_robots_index":"","footnotes":""},"categories":[1,110,108],"tags":[102,42,82,107],"class_list":{"0":"post-6548","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-custom-pouches","8":"category-food-snacks","9":"category-packaging-academy","10":"tag-customized-packaging-bags","11":"tag-food-bag-","12":"tag-food-packaging-bags-","13":"tag-high-barrier-"},"acf":[],"_links":{"self":[{"href":"https:\/\/jinyipackage.com\/fr\/wp-json\/wp\/v2\/posts\/6548","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jinyipackage.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jinyipackage.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jinyipackage.com\/fr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/jinyipackage.com\/fr\/wp-json\/wp\/v2\/comments?post=6548"}],"version-history":[{"count":1,"href":"https:\/\/jinyipackage.com\/fr\/wp-json\/wp\/v2\/posts\/6548\/revisions"}],"predecessor-version":[{"id":6559,"href":"https:\/\/jinyipackage.com\/fr\/wp-json\/wp\/v2\/posts\/6548\/revisions\/6559"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jinyipackage.com\/fr\/wp-json\/wp\/v2\/media\/6553"}],"wp:attachment":[{"href":"https:\/\/jinyipackage.com\/fr\/wp-json\/wp\/v2\/media?parent=6548"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jinyipackage.com\/fr\/wp-json\/wp\/v2\/categories?post=6548"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jinyipackage.com\/fr\/wp-json\/wp\/v2\/tags?post=6548"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}