Applications of Hanwha TotalEnergies E153F EVA in Industrial Manufacturing

Hanwha TotalEnergies E153F EVA is an ethylene-vinyl acetate copolymer engineered for demanding industrial applications. As the original manufacturer, we provide E153F EVA to clients seeking precise formulation control, reliable process performance, and adherence to both international and local compliance requirements. The following are key real-world downstream application areas for this specialty-grade material.

1. Photovoltaic Module Encapsulation

Manufacturers use E153F EVA in the production of encapsulant sheets for crystalline silicon solar panels. The resin offers strong optical transparency and improved crosslinking, supporting lamination and protection of photovoltaic cells against moisture and environmental stress. Production lines require strict quality control to ensure electrical insulation, delamination resistance, and long-term durability, accommodating various cell types and module designs.

Industry compliance standards

• IEC 61215: Crystalline silicon terrestrial photovoltaic (PV) modules design qualification and type approval
• UL 1703: Standard for Flat-Plate Photovoltaic Modules and Panels
• TÜV SÜD Certification for PV Components
• RoHS Directive (2011/65/EU) for hazardous substance restrictions

Typical usage ratio

• Application loading: 0.35 mm–0.50 mm sheet thickness
• In laminated modules, EVA load ranges from 400 g/m² to 600 g/m², depending on cell gap and design
• Crosslinking dosage (peroxide or UV initiators): 1.5%–2.5% by resin mass
• Additive adjustments depend on anti-PID or UV stabilization needs

Downstream process integration

• Film extrusion and calendaring to produce encapsulant rolls
• Cutting and assembly onto PV cell ribbons in module layup stage
• Thermal lamination at 135–150°C under vacuum for encapsulation
• Post-lamination QC: crosslink density, shrinkage, and optical transmittance testing

Final product types

• Monocrystalline and polycrystalline solar crystalline PV modules
• Half-cut, shingled, or bifacial solar panels
• Building-integrated photovoltaics (BIPV) glass–glass panels
• Flexible PV laminates

2. Hot Melt Adhesive Formulations

Industrial adhesives producers formulate EVA-based hot melt adhesives for packaging, woodworking, hygiene disposables, and bookbinding. E153F grade supports controlled open time and fast set at moderate processing temperatures. The formulation may incorporate tackifiers, waxes, and stabilizers depending on line speed and substrate requirements.

Industry compliance standards

• FDA 21 CFR 175.105: Adhesives for indirect food contact
• REACH Regulation (EC) No 1907/2006 for chemical safety
• ISO 9001:2015 for quality management in adhesive production
• ASTM D1876: Peel resistance testing of adhesives

Typical usage ratio

• Adhesive base polymer: 20%–40% EVA by total formula weight
• Tackifier resin: 30%–50%
• Plasticizers or wax modifiers: 10%–25%
• Ratio varies by viscosity, open time, and application point (e.g., carton sealing vs. diapers)

Downstream process integration

• Compounding in continuous mixers or sigma blade kneaders at 120–170°C
• Extrusion, pelletizing, or drum filling for bulk delivery
• Hot melt tank preparation and slot die, nozzle, or roll coating onto substrates
• QC controls: melt viscosity, softening point, and adhesion profile per application

Final product types

• Case and carton sealing adhesives
• Hygiene product construction adhesives (diapers, feminine care)
• Bookbinding glues and packaging laminates
• Wood assembly adhesives

3. Wire and Cable Insulation Compounds

Wire and cable manufacturers use EVA resins to produce low-voltage insulation and jacketing compounds, particularly for flexible cables and appliance cords. The formulation balances insulation resistance, flexibility, abrasion resistance, and flame retardance, with selected compatibilizers and fillers for regulatory compliance and mechanical properties.

Industry compliance standards

• UL 62: Flexible cords and cables
• IEC 60245-1: Rubber insulated cables—General requirements
• RoHS Directive (2011/65/EU)
• EN 50363-3: Insulating compounds based on EVA

Typical usage ratio

• Base polymer: 35%–60% EVA in insulation compound
• Flame retardant (e.g., ATH): 20%–50% depending on cable type
• Plasticizer: up to 10% as required for flexibility
• Filler and pigment: typically 5%–15%

Downstream process integration

• Batch blending of EVA, flame retardants, and plasticizers in Banbury or twin-screw extruders
• Granulation and pelletizing prior to extrusion coating
• Application by extrusion onto copper/aluminum wire cores
• Online thickness, contamination, and dielectric integrity controls during extrusion

Final product types

• Flexible power cords and appliance wires
• Instrument and signal cables
• Automotive low voltage harness cable
• Cable jacketing for light industrial and consumer electronics

4. Foam Shoe and Sporting Goods Production

Producers of athletic shoes, midsoles, and sporting goods employ EVA for its cushioning, shock absorption, and lightweight structure. The compounding process incorporates blowing agents and crosslinkers for foam cell regulation, alongside pigments and reinforcement as needed. Performance is established through dimensional stability, rebound, and environmental non-toxicity.

Industry compliance standards

• REACH Regulation (EC) No 1907/2006 for consumer goods
• EN 71-3: Toy safety—Migration of certain elements
• CPSIA (Consumer Product Safety Improvement Act) for phthalate and lead content
• ISO 20344/20345: Safety and performance requirements for footwear

Typical usage ratio

• Foam base: 50%–70% EVA
• Blowing agent (e.g., azodicarbonamide or sodium bicarbonate): 2%–10% by mass
• Crosslinking agent (e.g., DCP): 1%–3%
• Fillers, pigments, and reinforcing agents: up to 20% combined

Downstream process integration

• Batch blending of EVA, foam additives, and colorants in internal mixers
• Molding by compression or injection to desired shapes and densities
• Foaming and crosslinking under heat and pressure in dedicated molds
• Cutting, trimming, and surface finishing prior to assembly

Final product types

• Midsole and insole pads for athletic and casual footwear
• Sporting goods such as yoga mats, swim floatation aids, and pad protectors
• Slippers and sandals
• Toy foam blocks certified for safety

5. Flexible Packaging Films

Flexible packaging converters utilize EVA in multilayer film structures for food, pharmaceutical, and specialty applications. The resin improves film sealability, clarity, and flexibility. It functions as a sealing layer, adhesive tie layer, or modifier in coextruded films, with strict adherence to migration and contact safety standards.

Industry compliance standards

• FDA 21 CFR 177.1350: EVA resins in food packaging
• EU Regulation (EU) No 10/2011: Plastics intended to contact with food
• Japanese Food Sanitation Law for packaging materials
• GMP EC 2023/2006: Good Manufacturing Practice for materials intended for food contact

Typical usage ratio

• Sealing/tie layer in coex films: 5%–25% by total film structure weight
• Single-layer film: 100% EVA, often modified with 5%–15% LPDE or compatibilizer
• Ratio depends on target sealing temperature, mechanical strength, and clarity
• Additive loading (antiblock, slip): as per converting requirements

Downstream process integration

• Blown or cast film extrusion, with precise layer thickness control
• Integration as inner seal layer in laminate constructions
• Corona, flame, or plasma surface treatments for printability
• Final slitting, printing, and lamination on converting lines

Final product types

• Food pouches (cheese, poultry, snack pack)
• Pharmaceutical overwraps and blister packaging
• Soft medical device packaging (IV bags, fluid pouches)
• Stand-up pouches and tube laminates