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PBL-White-All-Plastic White Laminate Web-EVOH-Containing, AL-Free Eco-Friendly Substrate

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PBL-White-All-Plastic White Laminate Web-EVOH-Containing, AL-Free Eco-Friendly Substrate

PBL‑White is a white‑coloured composite packaging web manufactured via multi‑layer co‑extrusion technology, formulated with EVOH (ethylene‑vinyl alcohol copolymer) incorporated as the core functional barrier layer, and entirely free from aluminium foil (AL‑Free) . The product is engineered on the principle of achieving oxygen‑shielding performance comparable to aluminium‑laminated composites through an all‑plastic architecture, while retaining the lightweight, flexible, and recyclable characteristics of plastic packaging. It offers food, pharmaceutical, and premium cosmetic industries a packaging substrate that reconciles superior barrier performance with environmental responsibility.

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OEM Service Process

Complete the cooperation in four simple steps, with a professional team providing full support throughout the process.

Communication Of Requirements

Confirmation of product type, specifications, quantity, and special requirements

Proposal Quotation

Provide a complete solution and detailed quotation

Sample Confirmation

Make samples and adjust them to satisfaction

Mass Production

Mass production delivery based on confirmed samples

Product Detail

Total thickness is configurable within a range of 250 μm to 425 μm, with web width fully customisable per customer requirements. In terms of appearance, PBL‑White presents a uniform, soft white finish with a smooth, level surface, offering brand packaging a clean, refined visual language. The material supports a comprehensive suite of printing processes, including letterpress, flexographic, screen, rotogravure, and hot/cold foil stamping, accommodating diverse brand‑specific design requirements.

Features

Barrier Performance and Structural Attributes

The core technical advantage of PBL‑White derives from its EVOH barrier layer. The molecular structure of EVOH contains a high density of hydroxyl groups, resulting in strong intermolecular hydrogen bonding and high chain packing density. This renders the diffusion pathways for gas molecules extremely tortuous, thereby imparting superior shielding capability against oxygen, carbon dioxide, and other gases to the material. Within the multi‑layer co‑extruded architecture, the EVOH layer is encapsulated between inner and outer polyolefin protective layers, effectively shielding it from moisture‑induced degradation of barrier performance and ensuring stable oxygen‑barrier levels throughout the product lifecycle.

It is noteworthy that PBL‑White is entirely aluminium‑foil‑free. Compared with aluminium‑laminated composites, the all‑plastic structure eliminates the separation challenges associated with metal layers in recycling processes, while offering significant advantages in lightweighting, flexibility, and flex‑crack resistance—aluminium foil is susceptible to pinhole formation and cracking upon repeated flexing, leading to barrier failure, whereas the EVOH layer maintains structural integrity under dynamic stress, making it particularly suitable for tube packaging requiring frequent squeezing.

Mechanical Performance and Process Compatibility

PBL‑White demonstrates well‑balanced mechanical strength attributes. The multi‑layer co‑extruded construction imparts excellent impact resistance and puncture resistance, effectively preserving packaging container integrity throughout filling, stacking, and transportation phases. The flexibility of the material ensures stable performance on automated high‑speed tube‑forming and filling lines, making it particularly suitable for packaging contents requiring repeated squeeze dispensing.

In terms of tube‑forming and heat‑seal performance, PBL‑White employs a PE‑based sealant layer, delivering robust heat‑seal strength and reliable closure integrity. The material feeds smoothly through both intermittent and continuous tube‑forming equipment, offering a broad sealing window that permits stable seal performance across a wide range of process parameters.

Applications

Principal Application Fields

Food packaging-suitable for tube‑packed dairy products such as condensed and concentrated milk, oil‑containing or semi‑liquid foods including tomato sauce and salad dressings, as well as wet pet food. The EVOH barrier layer effectively prevents oxidative rancidity and flavour loss, while the white appearance conveys a clean, premium visual impression.
Pharmaceutical packaging-compliant with food‑grade and pharmaceutical‑grade safety standards, suitable for moisture‑ and oxygen‑sensitive drugs (including biologics, vitamin formulations, and antibiotics). The chemical inertness of the material ensures no interaction with drug components, while the outstanding barrier performance safeguards drug stability and efficacy throughout the entire shelf life.
Cosmetics and personal care-suitable for premium skincare products containing active ingredients (such as vitamin C, retinoids, and peptides in creams, serums, lotions, and eye creams), as well as shampoos, body washes, and oral care products. The white tube body aligns with the pure aesthetics of luxury brands, the smooth surface texture enhances user experience, and the material supports multiple colour and design options to meet brand customisation needs.

Comprehensive Competitive Advantages

PBL‑White delivers tangible value to professional purchasers across barrier performance, regulatory compliance, aesthetic quality, and sustainability:

Superior barrier performance-the EVOH functional layer exhibits extremely low transmission rates for oxygen, carbon dioxide, and other gases, significantly extending content shelf life; the aluminium‑free all‑plastic structure maintains outstanding barrier performance while eliminating the brittleness defects associated with metal layers.
Regulatory compliance and safety-meets FDA, EU, and other international food‑contact and pharmaceutical packaging standards; non‑toxic, odourless, and chemically inert; suitable for direct contact with foods, pharmaceuticals, and cosmetics.
Premium visual quality-smooth, uniform surface with a clean, elegant white appearance and comfortable tactile feel, aligning with the packaging requirements of luxury and high‑end brands; supports multiple colour and design options for brand personalisation.
Environmental responsibility-contains no chlorine or dioxins; all‑plastic structure compatible with existing recycling streams; aluminium‑free design simplifies recycling separation processes and reduces end‑of‑life disposal complexity.

PBL‑White is a packaging substrate that deeply integrates EVOH's exceptional barrier functionality with white‑surface aesthetic expression. By delivering multi‑pronged defence against oxygen and moisture without the use of aluminium foil, it provides reliable protection for foods, pharmaceuticals, and cosmetics with demanding preservation requirements; concurrently, its white appearance and smooth tactile quality construct a clean, premium visual identity for brands. For international buyers seeking a comprehensive balance of barrier performance, regulatory compliance, and brand image, PBL‑White represents a technologically robust and commercially valuable choice.