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Silastic® Q7-7840
| Category: | Silicone , Silicone |
| Manufacturer: | Dow Corning Corporation |
| Trademark: | Silastic® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | bL3Ctb_SilasticQ77840.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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Liquid Silicone Rubber (LSR) raw material for medical device and component fabrication in the Healthcare Industry APPLICATIONS Silastic® Q7-7840 Liquid Silicone Rubber, Silastic ® Q7-7850 Liquid Silicone Rubber, and Silastic ® Q7-7870 Liquid Silicone Rubber, Parts A and B, are heat-cured elastomers for use by customers fabricating medical devices, including those intended for implantation in humans for less than 30 days and non-implant applications. Silastic Q7-7840 Liquid Silicone Rubber, Silastic Q7-7850 Liquid Silicone Rubber, and Silastic Q7-7870 Liquid Silicone Rubber are two-part platinum-catalyzed silicone elastomers specifically designed for liquid injection molding or supported extrusion. The elastomer is supplied as a two-part kit (Part A and Part B), equal portions (by weight) of which must be thoroughly blended together prior to use. The elastomers are thermally cured via an addition-cure (platinum catalyzed) reaction. When blended and cured as indicated the resulting elastomers consist of crosslinked dimethyl and methyl-vinyl siloxane copolymers and reinforcing silica. The elastomer can be used without any post-cure. Furthermore, the cured elastomer is heat stable up to 204°C (400°F), can be autoclaved, and exhibits high gas permeability compared with most other thermoset elastomers and thermoplastics. |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.14 | g/cm³ | ASTM D792 |
| Molding Shrinkage - Flow | 2.4 | % | Internal method |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore A) | 40 | ASTM D2240 |
| Elastomers | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Stress (200% Strain) | 1.70 | MPa | ASTM D412 |
| Tensile Strength | 9.30 | MPa | ASTM D412 |
| Tensile Elongation (Break) | 750 | % | ASTM D412 |
| Tear Strength 1 | 31.1 | kN/m | ASTM D624 |
| Additional Information | Nominal Value | Unit | |
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| Cure Rate - MDR T90 2(150°C) | 29.0 | sec |
| Note Message | |
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| 1 . | B mould |
| 2 . | 3 min |
| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| Tislamid® PA66 PA66 30 GFR | Tisan | Nylon 66 | Tislamid® PA66 |
| CEPLA CEW-671 | CEPLA Co., LTD | PP, Unspecified | CEPLA |
| Formolene® L42009H | Formosa Plastics Corporation, U.S.A. | LLDPE | Formolene® |
| INSULCAST® RTVS 3-95-1 | ITW Polymers Coatings North America | Silicone Rubber, RTV-2 | INSULCAST® RTVS |
| Sylvin 6203-70 Natural | Sylvin Technologies Incorporated | PVC, Unspecified | Sylvin |
