Applications of Braskem Evateno TN2005 EVA in Industrial Manufacturing

Braskem Evateno TN2005 EVA is a high-transparency ethylene-vinyl acetate copolymer. It supports a wide range of specialized industrial manufacturing processes where clarity, toughness, and processability are essential. As a raw material manufacturer, we focus on the reality of downstream sectors, offering tailored input, technical support, and regulatory guidance for each application scenario.

1. Photovoltaic Encapsulant Film Production

Photovoltaic module producers require consistent EVA resin grades for the encapsulation of silicon cells. TN2005 demonstrates excellent clarity and process stability during extrusion and curing. The material must comply with stringent optical transmission and crosslinking requirements under vacuum lamination processes. Accurate dosing is critical to achieving gel content and crosslinking degree within module warranty specifications.

Industry compliance standards

• IEC 61215: Crystalline silicon terrestrial photovoltaic module standards
• IEC 61730: Safety qualification for PV modules
• UL 1703: Safety Standard for Flat-Plate Photovoltaic Modules
• RoHS Directive 2011/65/EU

Typical usage ratio

• 98–100% of film formulation as base resin; crosslinking additives and UV stabilizers <1% total; adjusted by lamination equipment and module thickness targets.

Downstream process integration

• Direct extrusion into film using calendaring or cast film lines
• Masterbatch pigment or additive introduction prior to extrusion
• Thermal lamination over crystalline or thin-film cells in multi-layer stacks
• Crosslinking by heat-curing in vacuum chambers

Final product types

• Photovoltaic encapsulant films
• Solar cell backsheet adhesive layers
• Flexible solar panel modules

2. Hot Melt Adhesive Formulation

Industrial adhesives rely on controlled viscosity, bonding performance, and compatibility with polymer modifiers. TN2005 serves as the backbone resin for manufacturing hot-melt adhesives for packaging, woodworking, and textiles. Its melt-flow properties enable precise compounding with tackifiers, plasticizers, and waxes, meeting regulatory and end-use performance benchmarks.

Industry compliance standards

• REACH Regulation (EC) No 1907/2006
• FDA 21 CFR 175.105 (adhesives for food packaging)
• ISO 9001:2015 Quality Management Systems
• EN 923: Adhesives - Terms and definitions

Typical usage ratio

• 25–55% of total adhesive formulation;proportion adjusted for substrate, open time, and peel strength.

Downstream process integration

• Homogenization with tackifier resins and plasticizers in high-shear mixers
• Melt compounding in batch or continuous extrusion
• Drum molding or pelletizing for bulk adhesive supply
• Final hot application by customer via spray, bead, or extrusion head

Final product types

• Hot melt adhesive sticks and bulk pellets
• Pressure-sensitive labels
• Bookbinding adhesives
• Carton and case sealing glues

3. Wire & Cable Insulation and Sheathing

Manufacturers of low-voltage and specialty cables employ TN2005 in insulation and jacketing layers for flexible, durable, and flame-retardant wire products. The grade supports blending with flame retardants and UV inhibitors, meeting electrical and mechanical property requirements under repeat extrusion and crosslinking cycles. Material traceability and compliance with electrical safety norms are critical for this application.

Industry compliance standards

• IEC 60502-1: Power cables with extruded insulation and their accessories
• UL 62/1581: Flexible cords and wires
• RoHS Directive 2011/65/EU
• EN 50363: Insulating, sheathing, and bedding compounds

Typical usage ratio

• 60–95% in cable sheath or insulation blend;with balance comprising fillers, flame retardants, and UV stabilizers as per end-use voltage and environment.

Downstream process integration

• Compounding with additives in twin-screw extruders
• Wire coating via continuous extrusion and cold water bath
• Secondary thermal crosslinking for insulation integrity
• Co-extrusion for multi-layer cable structures

Final product types

• Flexible appliance cords
• Power cable insulation
• Low-smoke halogen-free sheaths
• Signal and instrumentation cabling

4. Flexible Packaging & Lamination Films

Converting operations for food, medical, and industrial flexible packaging use TN2005 as a sealant and tie-layer material because of its low sealing temperature and clarity. Compatibility with multilayer co-extrusion enables performance in taste- and odor-sensitive applications, where migration limits and contact safety regulations strictly apply. Film web design and sealing process adapt to film thickness and pack contents.

Industry compliance standards

• FDA 21 CFR 177.1350 (Ethylene-vinyl acetate copolymers)
• EU Commission Regulation (EU) No 10/2011 (food contact plastics)
• GMP Regulation (EC) No 2023/2006
• ISO 22000:2018 Food Safety Management

Typical usage ratio

• 15–40% as sealant layer in multilayer films;proportion driven by barrier requirements, film gauge, and machinability.

Downstream process integration

• Co-extrusion on blown or cast film lines
• Inline lamination with barrier resins (e.g., EVOH, PA)
• Corona or flame treatment pre-lamination
• Slitting, heat sealing, and pouch forming downstream

Final product types

• Medical device pouches
• Vacuum food packaging films
• Beverage sachets
• Industrial bag liners

5. Injection Molded Foamed Soles and Shoe Components

Shoe manufacturers require controlled expansion and resilience in foamed EVA parts for midsoles, insoles, and orthopedics. TN2005 delivers consistent cell structure and impact absorption under rotational and injection molding conditions. The compounding process allows adaptation to density, color, and hardness per end product specification. Quality control focuses on VOC emission, abrasion, and hydrolysis resistance.

Industry compliance standards

• ISO 20344/20345: Personal protective equipment - Footwear testing
• REACH Annex XVII – Restricted substances
• EN 13632: Footwear environmental standards
• ISO 14001: Environmental Management System

Typical usage ratio

• 55–90% as principal resin in the compound;expanded/foamed with 5–20% blowing agents; colorants and crosslinkers up to 5% as needed.

Downstream process integration

• Pre-blending with foaming agents and fillers
• Injection or compression molding at controlled pressure/temperature
• Post-molding heat curing for structural stability
• Surface texturing, finishing, and trimming downstream

Final product types

• Sport shoe midsoles
• Orthopedic insoles
• Work boot sole inserts
• Children’s footwear soles

6. Toys and Education Supplies Extrusion

In safety-sensitive sectors such as toys and soft play equipment, TN2005 supports extrusion of non-toxic, flexible foam sheets and molded parts. The material's flexibility and softness suit products for children’s tactile use. Batch formulation requires color stability and control of heavy metal residues below regulatory thresholds. Downstream users focus on ease of thermoforming and compliance documentation.

Industry compliance standards

• EN 71-3: Migration of certain elements for toys
• ASTM F963-17: US Toy Safety Standard
• REACH Regulation (Annex XVII – Toys)
• ISO 8124-3: Migration of toxic elements from toys

Typical usage ratio

• 80–98% as base foam mass;colorants and physical blowing agents up to 10%, adjusted by density and product shape.

Downstream process integration

• Compounding masterbatch colorants with the resin
• Continuous extrusion into sheets or strips
• Water bath foaming and post-extrusion shaping
• Die-cutting and weld-joining for final assembly

Final product types

• Interlocking play mats
• Educational foam building blocks
• Bath toys
• Soft foam craft materials