Silastic® Q7-4535

Category: Silicone , Silicone
Manufacturer: Dow Corning Corporation
Trademark: Silastic®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: dXlDzn_SilasticQ74535.pdf
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Enhanced Tear Resistant (ETR) High Consistency Rubber silicone elastomers for peroxide cure

APPLICATIONS
SILASTIC BioMedical Grade ETR Elastomers (Q7-4535, Q7-4550, Q7-4565) are uncatalyzed elastomer materials designed for compounding into elastomer for part fabrication and medical devices.

DESCRIPTION
SILASTIC BioMedical Grade ETR Elastomers (Q7-4535, Q7-4550, Q7-4565) are a series of one-part uncatalyzed silicone elastomer raw materials. The addition of a peroxide catalyst is necessary to accomplish vulcanization.

The resulting elastomers range in hardness from soft to firm (nominally 35 to 65, Shore A Durometer). These materials may be blended if desired to achieve intermediate hardnesses.

After appropriate compounding with a peroxide catalyst, cure and post-cure, the elastomers are heat stable up to 204°C (400°F), can be autoclaved, and exhibit high gas permeability compared with most thermoset elastomers and thermoplastics.
General Information
Features
  • High Gas Permeability
  • High pressure heating resistance
Uses
  • Composite
  • Medical/nursing supplies
Agency Ratings
  • EP Unspecified Rating
  • ISO 10993-Part I
  • USP Class VI
Processing Method
  • Composite
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.12g/cm³ASTM D792
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore A)29ASTM D2240
ElastomersNominal ValueUnitTest Method
Tensile Stress (200% Strain)0.900MPaASTM D412
Tensile Strength 8.40MPaASTM D412
Tensile Elongation (Break)1000%ASTM D412
Tear Strength 122.0kN/mASTM D624
Additional Information
Values are for samples crosslinked with Perkadox PD-505.
Note Message
1 .B mould
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