Applications of Versalis Greenflex MQ 40 EVA in Industrial Manufacturing

Versalis Greenflex MQ 40 EVA is a specialty-grade ethylene-vinyl acetate copolymer, developed for demanding industrial manufacturing processes. The following application scenarios represent established downstream sectors that rely on this raw material for unique functional and processing benefits. Each section details relevant compliance standards, usage ratios, downstream integration methods, and resulting end products.

1. Solar Photovoltaic Encapsulation Films

Manufacturers in the photovoltaic sector leverage this material in the formulation of encapsulant layers for solar panels, where long-term UV resistance, optical clarity, and elasticity are paramount. Its performance in adhesion and lamination ensures module durability across climate zones. The raw material is subject to strict safety and material verification in the context of the renewable energy supply chain.

Industry compliance standards

• IEC 61215:2016 (Crystalline silicon terrestrial PV modules – Design qualification and type approval)
• UL 1703 (Standard for Flat-Plate Photovoltaic Modules and Panels)
• RoHS Directive 2011/65/EU
• REACH Regulation (EC) No 1907/2006

Typical usage ratio

• 65-78% by weight of the encapsulant resin layer; formulation varies between single- and multi-layer laminates depending on module design and glass thickness.

Downstream process integration

• Compounded, pelletized, and extruded as the primary encapsulant film; placed between photovoltaic cells and glass during lamination at 140-155°C under vacuum.

Final product types

• Photovoltaic encapsulation films (rolls or sheets)
• Crystalline silicon and thin-film solar modules
• Perc, bifacial, and TopCon solar panels
• Building-integrated photovoltaic (BIPV) glazing panels

2. Footwear Injection Molding Compounds

In the technical footwear industry, downstream processors utilize this EVA grade to engineer midsoles and outsoles that deliver targeted flexibility, cushioning, and resilience. Formulators adjust the grade loading to balance shock absorption and structural integrity depending on design contours and target user segments. Compliance is centered around safety for skin contact and mechanical durability.

Industry compliance standards

• ISO 20871:2018 (Footwear — Test methods for outsoles, abrasion resistance)
• REACH Regulation (restricted substances in finished goods)
• CPSC 16 CFR Part 1307 (Phthalates for children’s footwear, U.S. market)
• EN 71-3 (Migration of certain elements, for children’s shoes)

Typical usage ratio

• 55-80% loading in expanded injections for midsoles; adjustments made based on expansion degree, desired hardness, and product size; lower end for harder sport shoe applications, higher for soft sandals and children’s shoes.

Downstream process integration

• Mixed with blowing agents and colorants, injection molded as sole components or full monoblock shoe units, post-cured at 50-80°C to stabilize cell structure and demolded for finishing.

Final product types

• Athletic footwear midsoles
• Orthopedic shoe inserts
• Flip flop and sandal bottoms
• Protective children’s shoe soles

3. Hot Melt Adhesives for Packaging

Converters in the packaging adhesive market adopt this material as a primary polymer base for hot melt adhesive formulations where clean cutting, fast setting, and resilience to temperature variations are critical to automated carton sealing and labeling. Certification focuses on food contact and migration safety, particularly for adhesives used in primary or secondary food packaging.

Industry compliance standards

• FDA 21 CFR 175.105 (Adhesives for food packaging)
• EU 10/2011 (Plastic materials and articles intended to come into contact with food)
• EN 13432 (Compostability, if used in eco-packaging lines)
• SQF Level 2 (Safe Quality Food, for food grade converters)

Typical usage ratio

• 32-46% as core resin in hot melt systems; ratio modulated based on desired viscosity, softening point, and set speed; remaining content includes tackifiers and waxes.

Downstream process integration

• Blended with tackifiers and processing oils in jacketed reactors, applied hot to substrates via extrusion or slot-coating at 120-170°C, instant cooling creates final adhesive bond.

Final product types

• Case and carton sealing hot melts
• Multi-wall bag and envelope adhesives
• Bottle labeling hot melts
• Food tray sealing adhesives

4. Flexible Cable Sheath and Insulation Compounds

Industrial cable extruders employ this EVA grade in low voltage flexible wire insulation and jacketing systems for its outstanding dielectric properties and resistance to chemical aging. Regulatory requirements stress flame retardancy and compliance with minimal leachable compounds for safety-critical installations such as building, automotive, or rail wiring configurations.

Industry compliance standards

• IEC 60227-1 (Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V — Part 1: General requirements)
• UL 62 (Flexible cords and cables)
• RoHS Directive 2011/65/EU (Heavy metal and phthalate restrictions)
• CPR (EU Construction Products Regulation) – for European building cables

Typical usage ratio

• 28-43% in compound mass; higher range for ultra-flexible appliance cords, lower for co-extruded sheaths with PVC or flame retardant additives.

Downstream process integration

• Dry-blended or melt-compounded with plasticizers, fillers, and stabilizers; pelletized, then fed to cable extrusion lines as sheath or insulation layer, cooled under water to crosslink as required.

Final product types

• Flexible wire and cable insulation
• Control and instrumentation cable jackets
• Building wire sheath (flat and round)
• Charging cables for appliances and electric vehicles

5. Foam Sheet Production for Sports and Leisure Mats

Producers of physical activity equipment use this raw material as the principal base for foam sheet manufacturing, capitalizing on its low compression set, cushioning effect, and high resilience. The material must pass safety certification for skin contact and comply with European and US limits for extractable substances in finished flexible foams.

Industry compliance standards

• EN 71-3 (Migration of certain elements, for toys and sporting goods)
• REACH Annex XVII (Restrictions on polycyclic aromatic hydrocarbons)
• CPSIA (Consumer Product Safety Improvement Act, US market for children’s goods)
• ISO 24344 (Determination of thickness, compression, and recovery of resilient floor coverings)

Typical usage ratio

• 70-96% of foamable compound, depending on hardness target and cell structure; higher value for soft yoga mats and play mats, lower for shoe insole applications.

Downstream process integration

• Melt blended with azodicarbonamide or other foaming agents, extruded or molded into block sheets, expanded and cured in high temperature ovens to achieve uniform closed-cell structure, water-cooled and die-cut.

Final product types

• Yoga/pilates exercise mats
• Sports protective padding
• Children’s interlocking play mats
• Anti-fatigue floor mats for industrial use

6. Film and Sheet for Flexible Food Packaging

Film processors serving the food sector employ this EVA copolymer for producing high-clarity, puncture-resistant, and sealable packaging films. The material’s migration compliance permits direct contact with fresh, frozen, or processed foods, as well as demanding hot fill or pasteurization lines. Film gauge and resin loading are tightly specified to assure machinability and barrier protection.

Industry compliance standards

• FDA 21 CFR 177.1350 (Ethylene-vinyl acetate copolymers for food contact)
• EU 10/2011 (Plastic materials for food contact applications)
• GMP Regulation (EC) No 2023/2006 (Good Manufacturing Practice for food contact materials)
• ISO 22000 (Food safety management in packaging plants, where applicable)

Typical usage ratio

• 10-25% in multilayer blown film structures; selected to balance sealing, impact strength, and film clarity; higher for peelable seals and vacuum bags, lower for basic wrapping films.

Downstream process integration

• Co-extruded with polyolefins or barrier polymers in blown film or cast film lines; forms either surface or core functional layers, with on-line corona or flame treatment for printability.

Final product types

• Heat-sealable food pouches
• Vacuum packaging films
• Fresh produce bags
• Flexible lids for ready meals and dairy products