ITW Insulcast® RTVS 8128 Silicone Potting/Encapsulation Compound

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.

ITW Insulcast® RTVS 8128 Silicone Potting/Encapsulation Compound
Categories:	Polymer; Thermoset; Silicone; Silicone, RTV, Encapsulation Grade
Material Notes:	Insulcast® solutions are compounds designed for potting and encapsulating. RTVS 8128 is a low viscosity Flame Retardant, general purpose, reversion resistant RTV Silicone. With the ability to cure rapidly at elevated temperature, RTVS 8128 combines the virtues of low temperature flexibility, excellent electrical properties, high temperature resistance and easy removal for component replacement or repair. Meets the requirements of UL 94V-0. Information provided by ITW Performance Polymers.
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

Specific Gravity	1.31 g/cc	1.31 g/cc	Uncured. Part B
	1.38 g/cc	1.38 g/cc	Uncured. Part A
Viscosity	2000 cP	2000 cP	Mixed, Part A, Part B; ASTM D1084
	2000 cP	2000 cP	Part A; ASTM D1084
	2000 cP	2000 cP	Part B; ASTM D1084

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	>= 45	>= 45	ASTM D2240
	<= 55	<= 55
Tensile Strength	3.45 MPa	500 psi	ASTM D412
Elongation at Break	135 %	135 %	ASTM D412
Tear Strength	3.16 kN/m	18.0 pli	Die B; ASTM D624

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.50e+15 ohm-cm	1.50e+15 ohm-cm	ASTM D257
Dielectric Constant	3.0 @Frequency 1000 Hz	3.0 @Frequency 1000 Hz	ASTM D150
Dielectric Strength	21.7 kV/mm	550 kV/in	ASTM D149
Dissipation Factor	0.0070 @Frequency 1000 Hz	0.0070 @Frequency 1000 Hz	ASTM D150
Comparative Tracking Index	>= 600 V	>= 600 V
Hot Wire Ignition, HWI	30 - 60 sec	30 - 60 sec
High Amp Arc Ignition, HAI	60 - 120 arcs	60 - 120 arcs

Thermal Properties	Metric	English	Comments
CTE, linear	220 µm/m-°C	122 µin/in-°F
Thermal Conductivity	0.180 W/m-K	1.25 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	204 °C	399 °F
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F
Flammability, UL94	V-0	V-0

Processing Properties	Metric	English	Comments
Cure Time	15.0 min @Temperature 120 °C	0.250 hour @Temperature 248 °F	option
	60.0 min @Temperature 90.0 °C	1.00 hour @Temperature 194 °F	option
	240 min @Temperature 60.0 °C	4.00 hour @Temperature 140 °F	option
	1440 min @Temperature 25.0 °C	24.0 hour @Temperature 77.0 °F	option
Pot Life	60.0 - 90.0 min	60.0 - 90.0 min	Part A, Part B
Gel Time	240 - 360 min	240 - 360 min	uncured. Part A, Part B
Shelf Life	12.0 Month	12.0 Month	Part A, Part B

Descriptive Properties
Color	Buff (Neutral)		part B, uncured
	Dark Gray		part A, uncured
Mix Ratio by volume	1:1		Part A: Part B
Mix Ratio by weight	1:1		Part A: Part B

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.

PITWIN9126 / 239636

	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