UL Prospector

Silastic® BioMedical Grade ETR Elastomer Q7-4735 Parts A & B 

Silastic® BioMedical Grade ETR Elastomer Q7-4735 Parts A & B is a two-part, enhanced-tear-resistant (ETR) silicone elastomer that consists of dimethyl and methylvinyl siloxane copolymers and reinforcing silica. It is designed for use by customers fabricating medical devices, including those intended for implantation in humans for less than 30 days. This product has a nominal hardness of 35, Shore A durometer.




Dow Corning offers one of the most expansive lines of silicon-based performance enhancing materials in the healthcare industry – materials that are safe and beneficial in numerous applications. Dow Corning's product offerings include an expansive selection of Adhesives, Rubber and Elastomers.


Dow Corning Healthcare

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