Applications of LyondellBasell Ultrathene UE672102 EVA in Industrial Manufacturing

LyondellBasell Ultrathene UE672102 EVA delivers specific processing advantages and end-use properties for several established industrial sectors. We work directly with downstream manufacturers, focusing on critical application demands and regulatory adherence across specialized industries. Below, we outline real-world application scenarios highlighting differentiated usage details, process integration, and compliance expectations for EVA-based product lines.

1. Solar Photovoltaic Encapsulant Films

Manufacturers of solar module encapsulant films rely on this grade as a base resin due to its high clarity, electrical insulation, and adhesive strength after crosslinking. Process engineers adjust formulations to meet demanding durability and transmission requirements mandated by Tier 1 module makers. The resin’s melt processing behavior supports production of consistent, defect-free film rolls critical for large-scale lamination lines.

Industry compliance standards

• IEC 61215 (Crystalline silicon terrestrial PV modules)
• IEC 61730 (PV module safety qualification)
• UL 1703 (Standard for Flat-Plate Photovoltaic Modules and Panels)
• RoHS Directive (2011/65/EU) substance restrictions

Typical usage ratio

• Base layer composition: 60–95% EVA by weight; copolymer content adapted to cell type and additive compatibility; ratio refined for crosslinking kinetics and film gauge control

Downstream process integration

• Resin extrusion into sheet, calender rolling, precision slitting; downstream lamination with glass, solar cells, and backsheet materials; thermal crosslinking during module encapsulation

Final product types

• Photovoltaic encapsulant sheets, solar cell encapsulants, laminated solar module films for commercial, residential, and utility-scale installations

2. Wire & Cable Insulation Compounds

Electrical cable compounders employ this EVA material for its flexibility, thermal stability, and process uniformity. It supports consistent extrusion and reliable cable insulation in low-voltage, appliance, and communication cable production. Strict formulation control ensures compound performance and long-term aging resistance, adhering to demanding sector testing.

Industry compliance standards

• UL 62 (Flexible Cords and Cables)
• IEC 60228 (Conductors of Insulated Cables)
• REACH Regulation (EC 1907/2006)
• EN 50363 (Insulating and sheathing materials for cables)

Typical usage ratio

• Resin proportion in cable compounds: 30–85% EVA by weight; modified based on performance filler and flame retardant addition per regional cable standard

Downstream process integration

• Dry blending and melt compounding with stabilizers, colorants, and fillers; downstream pelletization; continuous extrusion onto conductor strands in crosshead or vertical lines

Final product types

• Flexible wire insulation, low-voltage power cables, data communication cables, appliance cords, cable sheathing for household and industrial use

3. Hot Melt Adhesive Formulations

Adhesive manufacturers select this EVA grade as a key polymer backbone for hot melt formulations in packaging, woodworking, and bookbinding. Resin molecular weight balance and vinyl acetate content allow tight control over open time, tack, and adhesion to diverse substrates, supporting high-speed commercial applications.

Industry compliance standards

• FDA 21 CFR 175.105 (Adhesives for indirect food contact)
• GMP Regulation (EC) No 2023/2006 (Good manufacturing practice for food contact materials)
• ASTM D4497 (Standard Specification for Hot Melt Adhesives)
• ISO 9001 (Quality management systems - Manufacturing)

Typical usage ratio

• EVA content in hot melt base: 30–55% by weight; proportion shifts for compatibility with tackifiers, resins, and waxes per end-use requirements

Downstream process integration

• Melt blending with waxes, resins, and performance additives using high-shear mixers; pellet or block forming for downstream tank melting and application via glue guns or automated coaters

Final product types

• Hot melt adhesive pellets, pressure-sensitive adhesive sticks, carton sealing adhesives, book-binding adhesives, woodworking hot melt grades

4. Flexible Foam Injection and Padding

This EVA resin functions as a primary polymer for foamed material production, especially in sports, footwear, and protective packaging. Process engineers utilize its controlled expansion, good tear resistance, and cell structure stability, enabling lightweight yet cushioning foam blocks with predictable mechanical properties suitable for repeated dynamic loading.

Industry compliance standards

• REACH (EC 1907/2006)
• California Proposition 65
• ISO 2439 (Determination of hardness of flexible cellular materials)
• EN 71-3 (Toy safety - migration of certain elements, for footwear/toys)

Typical usage ratio

• 70–100% EVA for closed or open-cell foam; ratio adjusted for foaming agent content, elasticity, and density targeting per application series

Downstream process integration

• Batch or continuous mixing with blowing agents and process aids; direct foam molding by compression, injection, or extrusion; secondary cutting, die-stamping, or lamination for component finishing

Final product types

• Foam shoe midsoles, yoga mats, protective padding, helmet liners, sports insoles, packaging foam blocks

5. Flexible Film and Sheet Extrusion for Packaging

Our EVA resin meets packaging converters’ demand for clarity, puncture resistance, and heat-sealability. Used in hygiene, agricultural, and food packaging film, it allows for highly consistent gauge and performance, ensuring stable seal lines and print adhesion. Process control secures contamination-free films meeting product packaging standards.

Industry compliance standards

• FDA 21 CFR 177.1350 (Ethylene-vinyl acetate copolymers for food packaging)
• EU Regulation (EU) No 10/2011 (Plastic materials for food contact)
• ISO 22000 (Food safety management systems)
• GMP Regulation (EC) No 2023/2006

Typical usage ratio

• 10–35% EVA blended with LDPE or LLDPE in multilayer film extrusion; adjusted to meet optical and mechanical targets for the finished film

Downstream process integration

• Co-extrusion with polyolefins; blown or cast film processing; downstream calendaring, slitting, and printing prior to package formation

Final product types

• Hygiene pads backsheet film, agricultural mulch film, fresh produce packaging film, shrink-wrap sheets, carrier bags

6. Injection Molding of Flexible Components

Flexible product molders select this resin for applications needing a balance between softness and resilient flex recovery, such as grommets, plugs, and automotive seals. Precise dosing in formulation provides end-products with stable shape, environmental resistance, and consistent compression-deflection performance across mass production runs.

Industry compliance standards

• ISO 9001 (Quality management in manufacturing)
• ISO/TS 16949 (Automotive sector requirements)
• RoHS (2011/65/EU)
• SAE J200 (Automotive polymeric material specification)

Typical usage ratio

• 55–100% EVA as base polymer, modified with process agents depending on flexibility and tensile property targets for each molded part series

Downstream process integration

• Compound blending, pellet feed to injection molding machines; precision-controlled temperature and mold cycle timing for dimensionally accurate, flash-free part demolding

Final product types

• Automotive interior seals, flexible caps, medical drip chamber grommets, vibration dampening feet for appliances, tool handle grips