| 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 | 1.20 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD | 1.9 | % | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 76 | ASTM D2240 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | 7.60 | MPa | ASTM D412 |
| 200% strain | 3.78 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 650 | % | ASTM D412 |
| tear strength | 42.6 | kN/m | ASTM D624 |
| Compression deformation | 71 | % | ASTM D395 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die B |
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