Applications of LyondellBasell Ultrathene UE624000 EVA in Industrial Manufacturing

As a dedicated producer of LyondellBasell Ultrathene UE624000 EVA, we supply this high-quality ethylene-vinyl acetate copolymer to key manufacturing segments where its specific physical and processing characteristics provide meaningful value. Each of the following downstream applications reflects established industrial practices and strictly aligns with the actual deployment of UE624000 EVA, accommodating regulatory, technical, and practical considerations specific to each field.

1. Wire and Cable Insulation Compounds

Wire and cable manufacturers rely on the low-temperature flexibility, stress crack resistance, and superior electrical properties of Ultrathene UE624000 EVA for formulating insulation and sheathing compounds. The material enters the compounding stage to ensure compliance with electrical safety and flame retardancy norms, especially in applications requiring a precise balance of mechanical strength and heat stability for flexible cabling used in construction, electronics, and automotive industries.

Industry compliance standards

• UL 62 and UL 1581: Standard for Safety in Wire and Cable
• IEC 60228: Conductors of Insulated Cables
• RoHS Directive 2011/65/EU
• REACH Regulation (EC) No 1907/2006

Typical usage ratio

• 18–28% by weight, adjusted depending on required flexibility, mechanical strength, or flame retardancy (higher EVA content for increased flexibility)

Downstream process integration

• Compounded with other additives (flame retardants, antioxidants, fillers) in internal mixers or twin-screw extruders prior to extruding onto wire cores

Final product types

• Flexible power cable insulation
• Communication cable jackets
• Automotive wire harness coverings
• Low voltage energy cables

2. Hot Melt Adhesive Formulations

Hot melt adhesive producers use UE624000 EVA as a primary polymer backbone due to its balanced adhesion, fast-setting characteristics, and capacity for modification with tackifiers and waxes. The material’s rheology and compatibility with a broad range of resins and waxes enable consistent block and pellet formation suitable for packaging, woodworking, and bookbinding industries.

Industry compliance standards

• FDA 21 CFR 175.105: Adhesives for Food Packaging (for indirect food contact applications)
• ISO 9001: Quality Management System
• EN 923: Adhesives Terminology
• ASTM D3236: Standard Test Method for Apparent Viscosity of Hot Melt Adhesives

Typical usage ratio

• 28–40% by weight in total formulation, blended with tackifying resins and waxes based on performance and viscosity requirements

Downstream process integration

• Blending in heated jacket mixers or kneaders, followed by cooling and pelletizing or block molding for downstream hot melt adhesive manufacturing lines

Final product types

• Hot melt glue sticks
• Packaging adhesive pellets
• Bookbinding adhesives
• Pressure-sensitive labels and tapes

3. Footwear Injection Molding Compounds

Footwear sole and midsole manufacturers value this polymer for its soft touch, impact absorption, and resilience necessary for sports, work, and casual footwear. It is incorporated into injection molding formulations, enabling designs with varied densities and shore hardness, directly influencing comfort and durability of finished footwear products.

Industry compliance standards

• GB/T 15107-2013: Footwear—General Technical Requirements
• ISO 20871: Footwear—Test Methods for Outsoles
• REACH Regulation (EC) No 1907/2006
• EN ISO 20345:2011 for safety protective footwear

Typical usage ratio

• 32–45% by weight, adjusted for required density, flexibility, or shock absorption; higher usage in softer, lightweight soles

Downstream process integration

• Premixed with nucleating agents, crosslinking agents, colorants, and blowing agents, then processed by direct injection molding into shoe sole and midsole forms

Final product types

• Sports shoe midsoles
• Work safety boot soles
• Children’s and leisure shoe soles
• Sandals and slipper bases

4. Film Extrusion for Packaging Applications

Packaging film manufacturers incorporate UE624000 EVA to enhance seal strength, impact resistance, tear propagation, and cold temperature flexibility of multilayer film structures. Its application in co-extrusion lines supports production of specialty films for food packaging, agricultural uses, and medical pouches, meeting critical regulatory and mechanical performance requirements.

Industry compliance standards

• FDA 21 CFR 177.1350: Ethylene Vinyl Acetate Copolymers (for food contact films)
• EU Regulation (EU) No 10/2011 on plastic materials and articles intended to come into contact with food
• ISO 22000: Food Safety Management System (as part of integrated packaging supply chains)
• GMP Regulation (EC) No 2023/2006 for Good Manufacturing Practice

Typical usage ratio

• 6–15% in multilayer film blends, with adjustment based on sealing property, flexibility, and compatibility with LDPE/LLDPE matrix

Downstream process integration

• Directly dosed into feed hoppers or gravimetric blenders, co-extruded with polyolefins during blown film or cast film extrusion to form discrete sealing or barrier layers

Final product types

• Food tray lidding films
• Medical-grade pouches
• Greenhouse and silage films
• Frozen food packaging bags

5. Solar Photovoltaic Encapsulant Sheets

Producers of solar PV modules use this EVA copolymer in encapsulant sheet formulations, leveraging its high transparency, UV resistance, and crosslinking capability under lamination. The material’s role in cell encapsulation processes is critical for module durability, ensuring weatherability and electrical insulation in outdoor solar deployments.

Industry compliance standards

• IEC 61215: Terrestrial Photovoltaic (PV) Modules—Design Qualification and Type Approval
• UL 1703: Standard for Flat-Plate Photovoltaic Modules and Panels
• TUV Rheinland 2 PfG 1169/08.2007 for EVA copolymers used in PV modules
• QC/T 1011-2015: EVA Encapsulant Sheet for Solar Cells (China)

Typical usage ratio

• Core resin content typically 70–80% in sheet, combined with crosslinking agents, stabilizers, and UV absorbers (minor variations based on desired transparency/crosslink density)

Downstream process integration

• Sheet extrusion or calendering, followed by lamination and in-situ crosslinking at module assembly stage to encapsulate and protect photovoltaic cells

Final product types

• PV module encapsulant sheets
• Solar cell backsheet laminates
• Thin-film solar panel encapsulation films

6. Foam Sheet and Block Production

Industrial foam converters apply this grade of EVA in closed-cell and crosslinked foam production for sports, leisure, automotive, and construction use. By adjusting loading, crosslinking, and foaming parameters, the polymer forms resilient, lightweight structures with water resistance, elasticity, and cushioning properties, meeting both regulatory and performance-based criteria.

Industry compliance standards

• EN 71-3: Safety of Toys—Migration of Certain Elements (for toys and children’s products)
• ISO 845: Cellular Plastics—Determination of Apparent Density
• REACH Regulation (EC) No 1907/2006
• OEKO-TEX Standard 100 (where certified for skin contact products)

Typical usage ratio

• 40–65% base polymer by weight in blend, adjusted for foam density and hardness, co-formulated with foaming agents, crosslinking initiators, and colorants

Downstream process integration

• Batch mixing with functional additives, extrusion or molding, followed by crosslinking (peroxide or irradiation) and foaming to form sheets, blocks, or custom profiles

Final product types

• Yoga and sports mats
• Protective packaging inserts
• Automotive interior pads
• Children’s puzzle play mats