Thermal insulation sponge

Shin-Etsu Polymer offers sheets of silicone rubber insulative sponge that provide excellent thermal insulation with good mechanical strength and durability with superb heat and cold resistance.

RA-type has an exposed cell structure focussing on thermal insulation.

CT-type has a closest skin that provides additional shielding for water and air.

Thermal insulation sponge properties

ParameterUnitRA TypeCT Tpye
Thicknessmm2/ 3/ 4/ 5/ 6/ 8/ 10/ 151/ 2/ 3/ 4/ 5
Sheet sizemm2300*300/ 500*500300*850
Relative density 0.8 0.4
Tensile strength MPa 24--
Elongation % 248--
Hardness HDA 50
Tensile strength change (225ºC, 70 hrs)% -25

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