Applications of Hanwha TotalEnergies E153A EVA in Industrial Manufacturing

Hanwha TotalEnergies E153A EVA offers specialized properties for advanced industrial applications. As the manufacturer, we supply this copolymer for high-value downstream sectors, supporting strict processing and compliance needs. Below, we detail selected use cases with clear technical and regulatory outlines to guide your application development and procurement.

1. Photovoltaic Encapsulation Films

E153A EVA is widely processed in solar module production for its balanced melt flow, optical clarity, and long-term stability. Downstream users employ this EVA as the encapsulant layer in PV panels, ensuring adhesive strength and durability. Processing steps involve extrusion and lamination within PV stack assembly. Consistency in formulation is critical to meeting stringent module reliability requirements.

Industry compliance standards

• IEC 61215: Crystalline silicon terrestrial PV modules design qualification
• IEC 61730: PV module safety qualification
• UL 1703: Flat-plate photovoltaic modules safety standard
• ASTM E1462: Standard practice for PV module encapsulation materials

Typical usage ratio

• 70–90 wt% of the encapsulant blend, with precise content adjusted based on cell type, silica addition, and desired lamination strength

Downstream process integration

• Compounding with crosslinking agents and UV stabilizers
• Extrusion into film rolls with controlled thickness tolerance
• Lamination between front glass and backsheet during module assembly
• Vacuum curing and crosslinking at 135–150°C

Final product types

• Monocrystalline solar panels
• Polycrystalline solar modules
• Building-integrated PV elements
• Bifacial double-glass modules

2. Hot Melt Adhesives

This grade is integral to industrial hot melt adhesive compounding for packaging, bookbinding, and woodworking. The copolymer structure ensures tackiness and cohesive properties even at high-speeds. Downstream plants blend this raw material in precise ratios for batch or continuous extrusion, allowing tailored viscosity and open time per end-user requirements. Its thermal stability supports long production runs without re-gelling risk.

Industry compliance standards

• FDA 21 CFR 175.105: Adhesives for food packaging
• REACH Regulation (EC) No 1907/2006: Substance compliance
• EN 923: Adhesives terminology and definitions
• ISO 9001: Quality management for adhesive production

Typical usage ratio

• 20–50 wt% of adhesive formulation, adjusted with waxes, resins, and plasticizers according to set time, substrate, and open time requirements

Downstream process integration

• Batch mixing with tackifiers, waxes, and stabilizers
• Direct extrusion or reactor blending for pellets or blocks
• On-site melting into application tanks for slot, bead, or spray coating
• Solidification on substrates via cooling or conveyor systems

Final product types

• Case and carton sealing adhesives
• Bookbinding spines and fold adhesives
• Edgebanding glues for wooden panels
• Personal hygiene article lamination adhesives

3. Wire and Cable Insulation Compounds

Downstream cable compounders incorporate this EVA resin to achieve specified electrical insulation and mechanical properties in low-voltage wire jackets. The raw material blends flexibly with PE, flame retardants, and antioxidants. Strict batch-to-batch uniformity ensures reliable extrusion line operation and compliance with both product and regional safety regulations.

Industry compliance standards

• IEC 60228: Conductors for insulated cables
• RoHS Directive (EU) 2011/65: Restriction of hazardous substances
• UL 1581: Electrical wires, cables, and flexible cords preparation
• CENELEC HD 21.3 S1: Insulating and sheathing compounds

Typical usage ratio

• 30–60 wt% of insulation or sheathing formulations, ratio varies with required flexibility, flame retardancy, and tensile strength

Downstream process integration

• Pellet blending with masterbatches of color and fire retardants
• Co-rotating twin-screw extrusion of insulation layers
• Cable core coating followed by crosslinking and cooling
• Final drawing and coiling for shipment

Final product types

• Low-voltage copper wire insulation
• Telecommunication cable jackets
• Automotive wire harness sheaths
• Consumer appliance cord insulation

4. Film and Sheet for Food Packaging

This EVA grade supports multilayer film fabrication for flexible food packaging, providing sealability and puncture resistance. Its migration and extractable profiles allow for food-contact acceptability in regulated regions. Processors adjust formula blends to match heat seal, optical, and mechanical targets, combining EVOH, PE, and other co-polymers in tandem extrusion lines.

Industry compliance standards

• FDA 21 CFR 177.1350: Ethylene-vinyl acetate copolymers for food contact
• EU Regulation (EU) No 10/2011: Plastic materials in contact with food
• GB 9685-2016: Chinese standards for food-contact additives
• HACCP: Hazard analysis in film production environment

Typical usage ratio

• 10–30 wt% of inner sealant layer, with ratio adjusted for adhesion and flexibility to lidding films or pouches

Downstream process integration

• Compounding with slip agents and anti-block additives
• Coextrusion and rapid quenching into multi-layer film
• Slitting and rewinding for downstream lamination or printing
• Heat sealing during pouch, bag, or tray assembly

Final product types

• Meat and cheese vacuum pouches
• Fresh produce tray sealant films
• Single-serve snack wrappers
• Bulk liquid bag-in-box liners

5. Footwear Foam and Insole Materials

EVA copolymer serves as a main ingredient in expanded foam for athletic and safety shoe midsoles, insoles, and outsoles. Downstream processors adjust formulation with blowing agents, crosslinkers, and fillers to achieve requisite compression set, rebound, and durability. Full control of foam cell structure and density during molding ensures consistent cushioning and aesthetic surface finish in high-volume shoe production lines.

Industry compliance standards

• ISO 20871: Footwear sole material - abrasion resistance
• EN ISO 20347: Personal protective equipment - occupational footwear
• REACH Regulation (EC) No 1907/2006: Chemical substance safety
• ISO 14001: Environmental management during manufacturing

Typical usage ratio

• 60–98 wt% of foam blend, adjusted to foam density from 0.15 to 0.30 g/cm³ according to shoe model and design

Downstream process integration

• Mixing with chemical blowing agents, crosslinkers, colorants
• Melt extrusion and pelletizing of compound
• Sheet extrusion or injection molding followed by crosslinking (autoclave or hot press)
• Precision die-cutting and integration into final footwear assembly

Final product types

• Sports shoe midsoles
• Work boot insoles
• Fashion sandal outsoles
• Orthopedic insole inserts

6. Medical Device Tubing and Flexible Components

Manufacturers utilize this EVA grade in medical-grade tubing and flexible parts, selected for its low extractables, clarity, and sterilizability. Formulators monitor the addition of plasticizers and UV stabilizers to satisfy performance and regulatory profiles. It enables multi-layer coextrusion with PE and specialty materials for fluid transfer devices, catheters, and IV lines, integrating medical GMP system requirements down the chain.

Industry compliance standards

• USP Class VI: Biological reactivity tests
• ISO 10993-1: Biological evaluation of medical devices
• EU MDR 2017/745: Medical device regulation
• ISO 13485: Quality management for medical devices

Typical usage ratio

• 20–70 wt% of tubing or component layer, as dictated by flexibility and clarity demands for specific medical device types

Downstream process integration

• Mixing with antimicrobial or color masterbatches
• Coextrusion for multi-layer tubing profiles
• Automated cutting, welding, and termination under controlled environment
• Sterilization (gamma, e-beam, or EtO)

Final product types

• Infusion and drainage tubing
• Peristaltic pump hoses
• Pediatric nasal cannula parts
• Medical fluid transfer connectors