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Silicones Inc Gl-1220
- Chemical Family
- Silicones
Silicones Gl-1220 is a high tear strength, tin-catalyzed RTV-2 silicone rubber, which was designed for casting polyester parts. GI-1220 offers the same advantages of GI-1120 at a lower viscosity. GI-1220 is especially good for molds with deep undercuts and for molds that require flexing for part removal.
Product families
Applications
Industrial — Chemical & Industrial Manufacturing
- Tooling & Moldmaking
Product Families
Elastomers — Specialty Elastomers
- Silicone Elastomers
Other characteristics
- End Uses
- Prototyping
- Features
Good Tear Strength, High Elongation, Room Temperature Vulcanizing
- Polymer Name
- Silicone Elastomer
- Markets
- Industrial
- Shelf LIfe
- 6 months
- Cure
- Chemical Cure
- Technology
- Elastomers
- Material Features
- Good Tear Strength
- High Elongation
- Room Temperature Vulcanizing
- Compatible Polymers and Resins
- Epoxies (EP)
- Polyesters
- Plastics and Elastomers End Uses
- Prototyping
Technical data
Table 1 of 1
13 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Coverage | 25.6 | in^3 / lb | — |
| Cure Time (Hours) | 16 - 18 | — | — |
| Elongation | 475 ± 25 | % | ASTM D412 |
| Mixing Ratio (B/A) | 100.0 | — | — |
| Service Temperature | -60 - 340 | °F | — |
| Hardness (±4) | 15.0 | Shore A | — |
| Shrinkage | 0.1 | % | — |
| Specific Gravity | 1.08 | — | — |
| Tear Resistance | 95 ± 10 | ppi | ASTM D624 |
| Tensile Strength | 390 ± 25 | psi | ASTM D412 |
| Viscosity | 30000 - 40000 | cps | — |
| Viscosity | 15000 - 25000 | cps | — |
