Applications of Hanwha TotalEnergies 1317 EVA in Industrial Manufacturing

We supply Hanwha TotalEnergies 1317 Ethylene Vinyl Acetate (EVA) directly to manufacturers addressing critical requirements across diverse high-volume industrial sectors. The following sections detail how this grade delivers consistent results across established downstream manufacturing scenarios, including integration into standardized production lines, compliance with market-specific regulations, and the creation of durable end-use products.

1. Solar Module Encapsulation Films

This EVA copolymer provides necessary optical clarity and adhesion properties for encapsulating photovoltaic cells, supporting long-term solar module efficiency and environmental resistance. Manufacturers use 1317 EVA granules to produce crosslinkable encapsulant sheets that must fulfill international requirements for safety and performance in solar applications. Appearance, crosslinking uniformity, and precise melt behavior are critical to downstream lamination processes, impacting the protection and durability of finished solar panels.

Industry compliance standards

• IEC 61215: Terrestrial Photovoltaic (PV) Modules – Design Qualification and Type Approval
• UL 1703: Standard for Flat-Plate Photovoltaic Modules and Panels
• EN 50548: Junction Boxes for Photovoltaic Modules
• RoHS Directive 2011/65/EU Compliance for Encapsulant Materials

Typical usage ratio

• Encapsulant sheet formulations typically require 60%–80% EVA resin by weight, with crosslinking additives and UV stabilizers adjusted based on cell type and film thickness.

Downstream process integration

• Resin is melt-extruded into sheets (thickness 0.3–0.6 mm), compounded with curing agents, and laminated over crystalline silicon or thin-film solar cells, followed by thermal crosslinking at 140–150°C under vacuum.

Final product types

• Perc solar modules
• Bifacial photovoltaic panels
• Thin-film solar panels
• Building-integrated photovoltaic modules

2. Hot Melt Adhesives (HMAs) for Packaging Lines

This copolymer’s balance of flexibility, viscosity, and adhesion makes it an anchor resin in the production of pressure-sensitive and packaging-grade hot melt adhesives. Its reliable white point and compatibility with tackifiers enable easy formulation for automated bonding on high-speed packing equipment, from food cartons to multifold corrugate board assemblies.

Industry compliance standards

• FDA 21 CFR 175.105: Adhesives for Food Packaging
• REACH Regulation (EC) No 1907/2006 Annex XVII
• ISO 9001: Quality Management for Adhesive Manufacturing
• GMP Regulation (EC) No 2023/2006 for Packaging Materials

Typical usage ratio

• Formulations generally contain 25%–50% EVA, adjusted for required open time, set speed, mechanical bond strength, and application temperatures (120–170°C).

Downstream process integration

• EVA is pre-compounded with tackifiers, waxes, and stabilizers and supplied as pellets, which are melted in hot melt applicator tanks and applied via rollers or spray heads during box or bag sealing on packing lines.

Final product types

• Case and carton sealing adhesives
• General packaging hot melts
• Bookbinding adhesives
• Disposable hygiene tapes and fasteners

3. Wire and Cable Insulation & Sheathing

The polyethylene-vinyl acetate matrix offers proven electrical insulation and flexibility for cable producers. Its melt index and non-dripping nature support stable extrusion, while resistance to stress cracking and UV provides longevity for both indoor and outdoor power or signal applications.

Industry compliance standards

• UL 1581: Electrical Wires, Cables, and Flexible Cords – Reference Standards
• IEC 60502: Power Cables with Extruded Insulation
• RoHS Directive 2011/65/EU Compliance for Electrical Components
• EN 50363-5: Insulating Compounds for Low-Voltage Energy Cables

Typical usage ratio

• EVA content usually falls within 30%–60% of insulation or sheath compound by weight, with adjustments based on required dielectric strength, flexibility, and flame resistance grades.

Downstream process integration

• EVA is dry-blended with flame retardants and antioxidants, then compounded and extruded over conductors using single-screw or tandem extrusion systems, followed by cooling and surface inspection.

Final product types

• Low-voltage electrical wire insulation
• Coaxial and instrument cable sheathing
• Flexible flat cables
• Solar PV cable insulation and jackets

4. Foam Injection Molding for Footwear Midsoles

The resin supports lightweight, impact-absorbing foams utilized by footwear manufacturers for midsoles and sports shoe components. Its fine cell nucleation and high expansion rate allow precise tuning of hardness and compression set, while compatibility with blowing agents delivers uniform product quality in automated molding cycles.

Industry compliance standards

• ISO 20871: Footwear – Test Methods for Outsoles
• EN 71-3: Safety of Toys – Migration of Certain Elements (for children’s shoes)
• REACH Compliance (Annex XVII & XIV) for Restricted Substances
• AATCC 61: Colorfastness to Washing (for colored foam parts)

Typical usage ratio

• Foam blends typically comprise 50%–70% EVA, with loading modified for target density (0.12–0.25 g/cm³), rebound properties, and shore hardness requirements for various athletics and lifestyle shoe lines.

Downstream process integration

• EVA is mixed with chemical blowing agents, pigments, and crosslinkers, then fed into foam injection presses where expansion, crosslinking, and molding are tightly controlled to shape midsoles and insole pads.

Final product types

• Running shoe midsoles
• Sandals and EVA slippers
• Sports insole inserts
• Compression-molded foam sheet materials

5. Film Casting for Greenhouse and Agricultural Covers

This material provides balance between mechanical toughness and optical transmission in multilayer films protecting crops, horticultural spaces, and silage. Its flexibility at subzero temperatures and UV stability infrastructures reliable fit and barrier function on demanding agricultural sites, with the added benefit of improved light scattering thanks to the vinyl acetate component.

Industry compliance standards

• EN 13206: Plastic Films for Agricultural Applications
• ISO 9001:2015 Certified Film Manufacturing Processes
• REACH Regulation (Annex XVII, SVHC List) for Raw Material Safety
• ISO 4892-2: Accelerated Weathering for Plastics

Typical usage ratio

• Film formulations contain 10%–35% EVA, depending on film thickness (typically 100–200 μm), required elastic recovery, and anticipated UV exposure duration.

Downstream process integration

• EVA is incorporated into polyolefin blends and compounded with UV stabilizers, then cast or blown into wide films using multi-bubble or cast film extrusion lines, followed by slitting to finished roll widths.

Final product types

• Greenhouse covering films
• Silage and bale wrap films
• Mulching and row cover sheeting
• Agricultural tunnel films

6. Masterbatch Carriers for Color or Additive Concentrates

This resin serves as a universal carrier polymer in masterbatch production, ensuring uniform dispersion of pigments, flame retardants, or additives for diverse thermoplastic applications. Its low melting point and polarity support rapid mixing, minimal decomposition of sensitive ingredients, and efficient let-down during end-user processing.

Industry compliance standards

• ISO 9001: Quality Management for Color and Additive Masterbatch
• EN 71-3: Safety of Toys – Migration of Certain Elements (for colored masterbatch in toys)
• REACH Registration and Safety Data Sheet (SDS) Requirements
• RoHS Compliance for Electrical and Electronic Applications

Typical usage ratio

• Masterbatch carrier loading typically ranges from 35%–65% EVA, formulated for compatibilization with end-use polymers and dosing target (1%–5% masterbatch addition in final plastics).

Downstream process integration

• EVA is compounded with pigments, fillers, or functional additives using twin-screw extrusion, pelletized, then supplied to plastics processors for incorporation by direct extrusion, injection molding, or blow molding.

Final product types

• Color masterbatches for polyolefin films and moldings
• Antistatic, slip, or flame-retardant additive masterbatches
• Optical-brightener concentrates
• Black and white masterbatches for pipe and film