Rogers Corporation Bisco™ HT-840 Cellular Silicone Foam

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

Rogers Corporation Bisco™ HT-840 Cellular Silicone Foam
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE); Silicone; Silicone Foam
Material Notes:	Extra firm grade silicone sponge. UL recognized of flame retardance. Applications: High closure-force gaskets, Press-pads where conformable imprinting support is required, such as decal lamination on skis and T-shirts No UV degradation per SAE J-1960. Ozone effect rating is 0 (no cracks) per ASTM D-1171. No staining per ASTM D-925(A). Passes AMS-3568 corrosion resistance. Passes SMP-800-C & BSS toxic gas emission rating. Passes hot flex at 230°C (446°F) per ASTM D-573. General BISCO™ silicone information: BISCO™ Cellular Silicones are used as sealing cushioning, vibration isolation, insulation, and thermal management gaskets. Their resistance to environmental extremes, mechanical resilience, and safety features lead to their use in transportation equipment, communications and electrical enclosures, electronic products and components, industrial machinery, and appliances. Data provided by Rogers Corporation.
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Metric	English	Comments

Density	0.449 g/cc	0.0162 lb/in³	ASTM D3574
Water Absorption	0.20 %	0.20 %	ASTM D471

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	0.483 MPa	70.1 psi	ASTM D412
Elongation at Break	55 %	55 %	ASTM D412
Compressive Yield Strength	0.152 MPa	22.0 psi	at 25% deflection; ASTM D1056
Compression Set	<= 1.0 % @Temperature 70.0 °C	<= 1.0 % @Temperature 158 °F	ASTM D1056
	<= 5.0 % @Temperature 100 °C	<= 5.0 % @Temperature 212 °F	ASTM D1056

Electrical Properties	Metric	English	Comments
Electrical Resistivity	1.00e+14 ohm-cm	1.00e+14 ohm-cm	ASTM D257
Dielectric Constant	1.58	1.58
Dielectric Strength	3.70 kV/mm	94.0 kV/in	ASTM D150
Arc Resistance	98 sec	98 sec	Dry; ASTM D495

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.120 W/m-K	0.833 BTU-in/hr-ft²-°F	ASTM C158
Maximum Service Temperature, Air	200 °C	392 °F	Recommended use; SAE J-2236
	250 °C	482 °F	Intermittent; Rogers internal test
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F	Recommended use; SAE J-2236
Brittleness Temperature	-55.0 °C	-67.0 °F	Low temp embrittlement; ASTM D746(B)
Flammability, UL94	V-0	V-0	Listed (may vary with thickness, color, density)
Flame Spread Index	<= 25	<= 25	I_S; ASTM E162
Smoke Density	<= 20 min	<= 20 min	D_X at 1.5 minutes; ASTM E662
	<= 50 min	<= 50 min	D_X at 4 minutes; ASTM E662
Oxygen Index	44 %	44 %	ASTM D2863

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

Users viewing this material also viewed the following:
Saint-Gobain COHRlastic® R10470 Medium General-Purpose Silicone Sponge Rubber
Saint-Gobain COHRlastic® F-12 Silicone Foam
Rogers Corporation Bisco™ HT-870 Cellular Silicone Foam
Rogers Corporation Bisco™ HT-820 Cellular Silicone Foam
Rogers Corporation Bisco™ HT-800 Cellular Silicone Foam

PROGBI8 / 66289

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message