Precision Polymer Engineering S40H Silicone Rubber

Category	Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE) , Silicone
Manufacturer	Precision Polymer Engineering Limited
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Precision Polymer Engineering S40H Silicone Rubber.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

White Silicone Rubber, 35-45 °IRHD. Silicone rubber having both methyl and vinyl substituent groups on the polymer chain. Formulated using only those ingredients determined by the United States Federal Food and Drug Administration (FDA) to be in accordance with Code of Federal Regulations, Title 21 (CFR21), Section 177.2600. ASTM & ISO designation = VMQ.Applications: Excellent heat resistance and low temperature flexibility. Used primarily for dry heat static seals. Low physical strength and poor abrasion resistance prevents dynamic sealing.

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	40	40	°IRHD; ASTM D1415
Tensile Strength, Yield	9.00 MPa	1310 psi	ASTM D412
Elongation at Break	570 %	570 %	ASTM D412
Compression Set	25 %	25 %	24 hours @ 175°C; ASTM D395

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	250 °C	482 °F
Minimum Service Temperature, Air	-60.0 °C	-76.0 °F
	-60.0 °C	-76.0 °F	Non-brittle after 3 minutes
Flash Point	>= 300 °C	>= 572 °F

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