Applications of LG Chem SEETEC EF18002 EVA in Industrial Manufacturing

SEETEC EF18002 EVA, produced by LG Chem, offers consistent performance in a select range of industrial applications reliant on controlled vinyl acetate content, melt index, and mechanical flexibility. The following sectors represent established downstream integration within global manufacturing supply chains. Each scenario features industry-specific regulatory frameworks, process details, usage guidance, and anticipated end products.

1. Photovoltaic Encapsulant Film Production

Manufacturers in the solar module sector rely on the polymer’s controlled vinyl acetate content and clarity to ensure panel durability, excellent adhesion to glass, and stable electrical insulation. SEETEC EF18002 EVA enters the process as a primary resin in encapsulant film extrusion or calendaring lines, with processing windows controlled for lamination and thermal aging performance. Safety and material traceability align with international PV module regulations for market access across regions.

Industry compliance standards

• IEC 61215 (Crystalline silicon terrestrial PV modules – design qualification)
• UL 1703 / IEC 61730 (PV module safety)
• RoHS Directive (2011/65/EU) for hazardous substances
• TÜV Rheinland and China CQC photovoltaic material standards

Typical usage ratio

• 75–95% in encapsulant layer base compound, with remainder composed of crosslinking agents, UV absorbers, and stabilizers; dosage refined based on lamination thickness (commonly 400–800 microns), module architecture, and crosslinking system used.

Downstream process integration

• Direct feeding into film extrusion lines or calendaring systems prior to crosslinking and slit-to-width lamination sequence in module assembly.

Final product types

• Photovoltaic encapsulant film rolls
• Pre-cut solar module laminates
• Integrated glass-glass and glass-backsheet PV panels

2. Hot Melt Adhesives Manufacturing

Formulators of hot melt adhesives use this material for its balance of viscosity, flexibility and low-temperature processing, targeting packaging, woodworking, and hygiene disposables. Processing plants load EVA as the primary base into high-temperature mixers or extruders, allowing consistent blending with tackifiers and waxes before pelletizing or direct molten application. End product safety must account for relevant contact-type certifications.

Industry compliance standards

• FDA 21 CFR 175.105 (Adhesives in indirect food contact)
• REACH (EC) No 1907/2006 registration obligations
• ISO 9001 for quality management in adhesive manufacturing
• EN 923 Adhesives – Terms and definitions

Typical usage ratio

• 25–60% of adhesive formulation; level determined by desired open time, peel strength, and viscosity target. Higher ratios increase flexibility and reduce brittleness, typical for carton closing and flexible packaging adhesives.

Downstream process integration

• Feeding into high-shear mixers with subsequent compounding alongside resins and antioxidants, then extrusion or pelletization ahead of customer-specific application (slot die, spray, or bead application lines).

Final product types

• Hot melt adhesive sticks and granules
• Case and carton sealing adhesives
• Woodworking glues
• Nonwoven hygiene adhesive coatings

3. Cable Compound Formulations

Cable production factories select this EVA grade for specific insulation and sheathing compounds that must maintain flexibility, dielectric performance, and environmental resistance over long-term use. Compounding occurs with fillers, stabilizers, and plasticizers in intensive mixers, followed by extrusion over conductors. Both flame retardancy and long-term thermal aging conform to restrictive industry codes governing cable safety and performance in communications, power, and instrumentation fields.

Industry compliance standards

• IEC 60502-1 (Power cables with extruded insulation and their accessories)
• UL 1581 (Reference standard for electrical wires, cables, and flexible cords)
• RoHS Directive (2011/65/EU)
• GB/T 19666-2019 (China fire-resistant and flame-retardant cables)

Typical usage ratio

• 15–40% in insulated and sheathed compound blends; the exact percentage adjusted for flexibility, dielectric strength, and compatibility with inorganic flame-retardants such as ATH or magnesium hydroxide.

Downstream process integration

• Compounding in Banbury or twin-screw extruders prior to direct extrusion onto copper or aluminum conductors and secondary crosslinking or irradiation as specified.

Final product types

• Low-voltage insulation compounds
• Instrument signal cable jackets
• Flexible sheathed cable for consumer and industrial electronics

4. Foam and Footwear Sole Manufacturing

Shoe sole and EVA foam component manufacturers employ this raw material for controlled cell structure, rebound, and comfort in injection or compression molding processes. Standard compounding includes blowing agents, colorants, and crosslinkers, with variations in density and resilience tuned for customer-specific designs in casual footwear, sandals, or sports shoes. Factories must align recipes with regional safety regulations and emission standards for footwear production.

Industry compliance standards

• EN ISO 20344 (Personal protective equipment – Test methods for footwear)
• OEKO-TEX Standard 100 for textile and leather components
• GB 20400-2006 (China leather and footwear chemicals)
• REACH Annex XVII for restricted substances in consumer goods

Typical usage ratio

• 60–90% in foaming compound recipes, with lower levels in hard-wearing midsoles and higher levels for soft, light comfort components. Adjusted according to target foam density from 0.1 to 0.3 g/cm³.

Downstream process integration

• Pre-mixed with additives and crosslinking agents, followed by batch or continuous mixing, expansion molding, and post-cure foaming. Sole components then cut, trimmed, or assembled downstream.

Final product types

• Injection-molded sport and leisure footwear soles
• Compression-molded EVA foam pads
• Orthopedic insoles and underlays

5. Wire and Cable Water Resistant Tape Production

Specialty tape converters integrate this polymer grade as a binder in water-blocking tapes applied within cable manufacturing for telecommunication and power applications. Its melt flow facilitates precision coating onto substrates in tape-line production, ensuring stable expansion and rapid swelling upon contact with water. All compositions adhere to strict cable safety and reliability regulations for international roll-out and underground deployment.

Industry compliance standards

• IEC 60092 (Electrical installations in ships – Cables for shipboard use)
• GR-347 (Telcordia Generic Requirements for water-blocking materials)
• RoHS 2 (2015/863/EU)
• ISO 14001 for environmental management in cable materials

Typical usage ratio

• 20–35% as the main polymeric binder in combination with superabsorbent fillers; formulation adjusted for tape expansion rate and coating thickness, typically in the range of 0.05–0.20 mm.

Downstream process integration

• Thermoplastic compounding and extrusion onto nonwoven substrates, calendaring, and longitudinal slitting, preceding automated application in cable production lines.

Final product types

• Water-blocking tapes for optical fiber cables
• Moisture-resistant tapes in medium- and high-voltage power cables
• Swelling tapes for submarine and underground cable protection

6. Film Grade Greenhouse Coverings and Agricultural Film Manufacturing

Agricultural film producers select this EVA resin for its light transmission, weatherability, and flexibility, critical for greenhouse covers and tunnel films. Processors meter EVA into film blowing or casting lines, balancing clarity against mechanical strength, and supplementing with UV stabilizers where extended field durability is essential. Regulatory and food safety criteria govern formulations for direct or indirect crop contact and agri-environmental exposure.

Industry compliance standards

• EN 13206 (Plastic covering materials for use in agriculture)
• EU 10/2011 (Plastic materials and articles in contact with food)
• GB 8815-2008 (China plastic films for agricultural use)
• ISO 9001 for quality management in agri-film conversion

Typical usage ratio

• 10–35% blended into LDPE or LLDPE matrix, with ratio chosen according to the desired film elasticity, anti-fogging capability, and light diffusion effect; higher content supports low-temperature flexibility and transmittance optimization.

Downstream process integration

• Direct blending and co-extrusion with polyolefins, followed by bubble or cast film production and corona treatment ahead of winding, slitting, and field testing against EN standard criteria.

Final product types

• Greenhouse covering films
• Agricultural mulching films
• Low tunnel and high tunnel protective films