Shin-Etsu Polymer's silicone sponge sheets (for industrial) are proprietary-blend, high-density closed cell, silicone rubber foam sheets with excellent thermal resistance characteristics.
These are available in RA grade(Standard type) and CT grade(Soft type) varieties.

 

[Industrial field]

General industry

Performance

[Applications]

  • RA grade(Standard type)Packing insulation for bike parts.
  • CT grade(Soft type)Heat-resistant rubber parts, cushion materials.

Characteristics

  • RA grade(Standard type)Excellent thermal/cold and chemical resistance properties.
  • CT grade(Soft type)These have air and moisture shielding properties due to their closed cell skin layer.

Specifications

Product specification table

RA grade (Units: mm)

Thickness Size Thickness tolerance
2 300×300 500×500 ±0.4
3 300×300 500×500 ±0.4
4 300×300 500×500 ±0.5
5 300×300 500×500 ±0.6
6 − 500×500 ±0.6
8 − 500×500 ±0.8
10 − 500×500 ±1.0
15 − 500×500 ±1.2

CT grade (Units: mm)

Thickness Size Thickness tolerance
1 300×850 ±0.3
2 300×850 ±0.4
3 300×850 ±0.6
4 300×850 ±0.8
5 300×850 ±1.0

Physical properties table

RA grade

Item Measured value
Mechanical
properties		 Specific gravity 0.8
Hardness (Asker C type) 50

CT grade

Item Measured value
Mechanical
properties		 Specific gravity 0.4
Hardness (Asker C type) 20

Data written in this catalog is taken from our company's test results.
Before using, always perform your own company testing to confirm whether the application of use is appropriate.