Thermoplastic Elastomer

Supercritical Foaming Grade TPE / TPR Compounds

Name: Supercritical Foaming Grade TPE / TPR Compounds
Brand: VIESUNCO
Availability: InStock

Ultra-Low Density (0.12–0.25 g/cm³), 65%+ Energy Return & Superior Compression Set

Engineered for high-rebound footwear midsoles, athletic shock absorbers, and lightweight industrial cushioning. Supports supercritical physical foaming and compression foaming with durable microcellular stability.

Energy return rate of 60%–70% for explosive kinetic response

Density as low as 0.12–0.25 g/cm³, 30% lighter than standard EVA

Flex resistance > 100,000 cycles at -20°C without crack

Closed-cell micro-structure with water absorption < 1%

Key Physical & Mechanical Specifications

Foamed Density0.12 - 0.28 g/cm³

Energy Rebound (ASTM D2632)60% - 72%

Compression Set< 25 %

Split Tear Strength> 3.5 N/mm

Foaming TechnologyChemical Mold Foaming / Supercritical N2/CO2

Recommended Processing & Molding Guidelines

Melt Temperature Range

Mold foaming: 165°C - 175°C (Curing 360–480s)

Mold Temperature

165°C - 175°C

Pre-Drying Guidelines

80°C for 2 hours

Injection / Extrusion Pressure

High mold clamp pressure (120 - 150 kg/cm²)

Target Applications & End-Use Industries

High-performance marathon running shoe & basketball shoe midsoles

Athletic protective padding & helmet shock-absorption liners

Eco yoga mats & fitness equipment cushioning

Drone payload & precision instrument protective packing

Environmental & Regulatory Compliance

All compounds are 100% compliant with EU REACH (SVHC), RoHS 2.0, California Prop 65, and Halogen-Free requirements.

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