Firm Silicone Sponge | AMS3196 | National Silicone

Firm Density Silicone Sponge

AMS3196 Closed Cell Silicone Sponge Rubber

This firm density closed cell silicone sponge is ideal for demanding sealing and gasket applications. It is produced with a fabric finish on both sides, is flexible, can handle extreme temperature environments and offers excellent compression set resistance.

AMS3196

  • This firm density silicone sponge is in accordance with the physical property requirements of AMS3195 test standard (with exception of low temperature brittleness). 
  • The specification covers sheets, rolls, strips, extrusions and molded shapes. Typically used for general purpose applications and remains flexible at -103oF -75oC and +401oF +205oC.

Material Details

Available in – Continuous rolls or cut sheets
Thickness available (in) – 1/16  to 1/2
Typical roll lengths (ft) – 25 to 100
Typical roll widths (in) – 36
Surface finishing – Fabric impression finish, both sides
Cell structure – Closed cell
Color – Red/orange, grey, black, color matching available

Thickness Tolerances

1/16 Inch (1.6 mm) – 0.05″ (1.30 mm) min / 0.07″ (1.90 mm) max
3/32 Inch (2.4 mm) – 0.08″ (2.10 mm) min / 0.10″ (2.70 mm) max
1/8 Inch (3.2 mm) – 0.11″ (2.80 mm) min / 0.14″ (3.60 mm) max
3/16 Inch (4.8 mm) – 0.17″ (4.40 mm) min / 0.20″ (5.20 mm) max
1/4 Inch (6.4 mm) – 0.23″ (6.00 mm) min / 0.26″ (6.80 mm) max
3/8 Inch (9.5 mm) – 0.35″ (9.00 mm) min / 0.39″ (10.00 mm) max
1/2 Inch (12.7 mm) – 0.47″ (12.20 mm) min / 0.52″ (13.20 mm) max
* Tolerances are typical values obtained from sample testing

Material Properties

Properties
Compression deflection (25%) psi (kPa) 12-20 (83-138) ASTM D1056
Density < 0.25” thick pcf (kg/m3) 52 (830) max. ASTM D1056
Density ≥ 0.25” thick pcf (kg/m3) 43 (692) max. ASTM D1056
Compression set (22h, 100°C) % 6 ASTM D1056
Tensile strength psi (kPa) 100 (689) ASTM D412

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