ITW Insulcast® RTVS 27 LV 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.

(Viewing data as-entered. Click here to return)

ITW Insulcast® RTVS 27 LV Silicone Potting/Encapsulation Compound
Categories:	Polymer; Thermoset; Silicone; Silicone, RTV, Encapsulation Grade
Material Notes:	RTVS 27 LV is a low viscosity, general purpose, reversion resistant RTV Silicone Compound and finds use in commercial potting/casting applications. RTVS 27 LV one-to-one ratio by weight or volume makes it ideal for dispensing equipment or unskilled labor. With the ability to cure rapidly at elevated temperatures, RTVS 27 LV can be processed quickly in production situations, and 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	Original Value	Comments

Specific Gravity	1.47 g/cc	Uncured. Part A
	1.47 g/cc	Uncured. Part B
Viscosity	1200 cP	Mixed, Part A, Part B; ASTM D1084
	1200 cP	Part A; ASTM D1084
	1200 cP	Part B; ASTM D1084

Mechanical Properties	Original Value	Comments
Hardness, Shore A	60	ASTM D2240
Tensile Strength	500 psi	ASTM D412
Elongation at Break	100 %	ASTM D412
Tear Strength	18.0 pli	Die B; ASTM D624

Electrical Properties	Original Value	Comments
Volume Resistivity	3.00e+14 ohm-cm	ASTM D257
Dielectric Constant	3.4 @Frequency 1000 Hz	ASTM D150
Dielectric Strength	500 V/mil	ASTM D149
Dissipation Factor	0.0040 @Frequency 1000 Hz	ASTM D150

Thermal Properties	Original Value	Comments
CTE, linear	220 µm/m-°C
Thermal Conductivity	0.180 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	204 °C
Minimum Service Temperature, Air	-55.0 °C
Flammability, UL94	V-0
Shrinkage	0.20 %

Processing Properties	Original Value	Comments
Pot Life	120 min	Part A, Part B
Shelf Life	12.0 Month	Part A, Part B

Descriptive Properties
Color	black	part A, uncured
	buff	part B, 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 go back to viewing the property data in MatWeb's normal format.

PITWIN9119 / 239629

	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