Silastic® Q7-4735

About
Raw materials for medical device fabrication in the Healthcare Industry APPLICATIONS Silastic® BioMedical Grade ETR Elastomers (Q7-4720, Q7-4735, Q7-4750, Q7-4765, and Q7-4780) are heat-cured high consistency silicone rubbers designed for use by customers fabricating medical devices, including those intended for implantation in humans for less than 30 days. DESCRIPTION Silastic BioMedical Grade ETR Elastomers (Q7-4720, Q7-4735, Q7-4750, Q7-4765, and Q7-4780) are a series of two-part, enhanced-tear-resistant (ETR) silicone elastomers that consist of dimethyl and methylvinyl siloxane copolymers and reinforcing silica. The elastomers exhibit a range of hardness from soft (20 Shore A) to firm (80 Shore A). Each elastomer is supplied as a two-component kit (Part A and Part B), equal portions (by weight) of which must be thoroughly blended together prior to use. The elastomer is then thermally cured via addition-cure (platinum-cure) chemistry&&

About

Raw materials for medical device fabrication in the Healthcare Industry APPLICATIONS Silastic® BioMedical Grade ETR Elastomers (Q7-4720, Q7-4735, Q7-4750, Q7-4765, and Q7-4780) are heat-cured high consistency silicone rubbers designed for use by customers fabricating medical devices, including those intended for implantation in humans for less than 30 days. DESCRIPTION Silastic BioMedical Grade ETR Elastomers (Q7-4720, Q7-4735, Q7-4750, Q7-4765, and Q7-4780) are a series of two-part, enhanced-tear-resistant (ETR) silicone elastomers that consist of dimethyl and methylvinyl siloxane copolymers and reinforcing silica. The elastomers exhibit a range of hardness from soft (20 Shore A) to firm (80 Shore A). Each elastomer is supplied as a two-component kit (Part A and Part B), equal portions (by weight) of which must be thoroughly blended together prior to use. The elastomer is then thermally cured via addition-cure (platinum-cure) chemistry&&

Product Description
Supplier	Dow Corning
Generic	硅酮
Material Status	Commercial: Active
Features	Permeability,Low to No Fogging,Food contact compliance,High pressure disinfection,Radiation disinfection,High pressure heat resistance,Ethylene oxide disinfection,Good coloring
Availabilitys	Africa & Middle East ,North America,Latin America,Asia Pacific,Europe

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	1.12	g/cm³	ASTM D792
Shrinkage rate
MD	1.6	%

MECHANICAL	Nominal value	Unit	Test method
Shore hardness
Shaw’s A	35		ASTM D2240

elastic body	Nominal value	Unit	Test method
tensile strength	9.84	MPa	ASTM D412
200% strain	1.11	MPa	ASTM D412
Tensile strain
fracture	1200	%	ASTM D412
tear strength	36.6	kN/m	ASTM D624
Compression deformation	43	%	ASTM D395

Notes
1. Typical properties: these are not to be construed as specifications.
2. Die B
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