Shin-Etsu Silicones LIMS™ KE1950-50A/B Elastomer

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USP Class VI Approved Adhesives for Medical Device Applications
Master Bond’s biocompatible adhesives are designed to meet the needs of medical device manufacturers. Compounds withstand various types of sterilization methods.

Shin-Etsu Silicones LIMS™ KE1950-50A/B Elastomer
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)
Material Notes:	KE-1950-50 is a liquid injection molding silicone. It is supplied as two components which are mixed in a 1:1 ratio to ensure easy and accurate blending. It's viscosity is low enough to allow easy pumping through most injection molding systems. Features Rapid cure time at elevated temperature Long pot life at room temperature Applications O-rings Diaphragms Capping Rubber rollers Connector packings Other electrical parts Information Provided by Shin-Etsu Silicones of America, Inc.
Key Words:	LSR, Liquid Silicone Rubber
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Physical Properties	Metric	English	Comments

Specific Gravity	1.13 g/cc	1.13 g/cc
Viscosity	680000 cP	680000 cP	A
	680000 cP	680000 cP	B
Linear Mold Shrinkage	0.020 cm/cm	0.020 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	52	52
Tensile Strength	9.30 MPa	1350 psi
Elongation at Yield	550 %	550 %
100% Modulus	1.67 MPa @Strain 100 %	242 psi @Strain 100 %
Tear Strength	40.0 kN/m	228 pli
Compression Set	8.0 % @Temperature 200 °C, Time 14400 sec	8.0 % @Temperature 392 °F, Time 4.00 hour
	28 % @Temperature 150 °C, Time 3600 sec	28 % @Temperature 302 °F, Time 1.00 hour

Processing Properties	Metric	English	Comments
Cure Time	5.00 min @Temperature 120 °C	0.0833 hour @Temperature 248 °F	Press Cure
	60.0 min @Temperature 150 °C	1.00 hour @Temperature 302 °F	Post Cure

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes
USP Class VI	Yes	Yes

Descriptive Properties
Appearance	Translucent
Cure Rate	42		T10 (302°F, ODR)
	68		T90 (302°F, ODR)

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.

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PSHIN006 / 103833

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