Polyurethane Foam
PORON® 4701-30 (Very Soft)
Overview
Features
- Very soft, highly resilient – adapts to irregular surfaces with minimal compression force.
- Excellent compression set resistance – maintains sealing force at room and elevated temperatures.
- Temperature range: –51 °C to +121 °C (continuous use recommended up to 90 °C).
- Available densities: 20 lb/ft³ (320 kg/m³) and 25 lb/ft³ (400 kg/m³).
- Available thicknesses: 0.031″ to 0.500″ (0.79 mm to 12.7 mm).
- Compliance: UL94 HBF, FMVSS 302, low outgassing.
Benefits
- Consistent sealing and cushioning performance over time.
- Reduces vibration and noise in sensitive assemblies.
- Retains flexibility and resilience through repeated compression cycles.
- Fabrication versatility – available in sheets, rolls, and custom die cuts.
Applications
- Battery pads and EV/HEV enclosures
- Electronic display gaskets and LCD sealing
- Shock-absorbing components in consumer electronics
- Sound-blocking and vibration damping parts
- Gap-filling seals in mechanical and electronic assemblies
Why Choose PORON 4701-30?
- Precision die-cutting to your exact specifications
- Engineering support for design optimization
- Reliable, consistent quality from a trusted converting partner
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