SILICONE SPONGE SPEC SHEET

THE THERMAL STABALITY OF SILICONE RUBBER IS PROBABLY ITS MOST IMPORTANT ASSET.COMPONENTS MADE FROM THESE RUBBERS ARE AFFECTED ONLY TO A SMALL EXTENT BY EXTREMES OF TEMPERATURE,RANGING FROM -90°C TO +250°C(DEPENDING ON GRADE).EVEN AT TEMPERATURES AS HIGH AS +300°C SILICONE RUBBER WILL OPERATE FOR LIMITED PERIODS

SILICONE RUBBER IS AN EXCELLENT ELECTRICAL INSULATING MATERIAL.RESISTANCE TO ARCING, CORONA, ULTRA-VIOLET LIGHT AND OZONE IS GOOD. IT DECOMPOSES AT 400°C TO 500°C LEAVING AN INERT, NON-FLAMMABLE AND ELECTRICALLY NON-CONDUCTIVE RESIDUE

THE SILICONE SPONGE SHEET THAT TYM IS SUPPLYING ARE MADE OF A FINE CELLULAR CONSTRUCTION COMPOSED MAINLEY OF NON-INTERCONNECTING CELLS AND ARE NORMALLY OF AN OFF-WHITE COLOUR.THERE ARE MANY APPLICATION FOR THE SHEETING, BUT FOR CONTINUOUS USE THEY WILL STAND TEMPERATURES BETWEEN
-60°C AND + 200°C

PHYSICAL PROPERTIES		TEST METHOD
COMPRESSION STRESS @ 40% KPa	90 +/- 20	BS4443 PART 1 METHOD B
COMPRESSION SET (150C FOR 70HRS, RECOVERY PERIOD 48 HRS 25% COMPRESSION)	6%	BS4443 PART 1 METHOD 6A

RESISTANCE TO HEAT AGEING (AFTER 168 HOURS @ 150C

COMPRESSION STRESS @ 40% KPa	90 +/- 20	BS4443 PART 1 METHOD B
COMPRESSION SET (150C FOR 70HRS, RECOVERY PERIOD 48 HRS 25% COMPRESSION)	5%	BS4443 PART 1 METHOD 6A

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