Norseal R10470M Key Physical Properties
Structure: Closed-cell silicone sponge
Density: 0.47 g/cm³ (29 lb/ft³)
Compression Deflection (25%): 10 psi (70 kPa)
Tensile Strength: 90 psi (621 kPa)
Elongation: 150%
Compression Set (50%, 22h@100°C): ≤15%
Temperature Range: -100°F to +500°F (-73°C to +260°C)
Water Absorption: <5%
Our Silicone Sponge Physical Properties (1:1 Match)
| Property | Value | Test Method |
|---|---|---|
| Cell Structure | Closed-Cell | ASTM D1056 |
| Density | 0.45–0.47 g/cm³ (28–30 lb/ft³) | ASTM D3574 |
| Compression Deflection (25%) | 10 psi (70 kPa) | ASTM D1056 |
| Tensile Strength | 90 psi (620 kPa) | ASTM D412 |
| Elongation at Break | 140–150% | ASTM D412 |
| Compression Set (50%, 22h@100°C) | ≤15% | ASTM D1056 |
| Operating Temperature | -73°C to +260°C (-100°F to +500°F) | - |
| Water Absorption | <5% | ASTM D471 |
| Flame Resistance | UL 94 V-0 | UL 94 |
| Color | Orange/Tan, Black, Gray | - |
Why Choose Our Silicone Sponge Alternative?
✅ Full Performance Equivalent: Identical core physical properties to Norseal R10470M
✅ No Design Changes: Direct drop-in replacement for seamless integration
✅ Cost Efficiency: Significant savings vs. premium brand products
✅ Short Lead Times: Faster delivery to keep your production on track
✅ Wide Availability: Full thickness range (0.8mm–13mm) with adhesive options
More Alternative Products Available
We offer a full range of silicone sponge alternatives for leading industry grades including BISCO HT800, R10460, R10480 and more.
Honor and qualification
Official certification, professional after sales service.
ROHS Certificate (closed cell silicone foam)
V-0 Certificate
FDA Certificate
ROHS Certificate (open cell silicone sponge)
REACH Certificate
Our factory & quipment
"Pursue excellence with a down-to-earth attitude"
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