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Description
GP-977 is a vinyl end-blocked silicone polymer with the structure below where x = 85.
The vinyl functionality of GP-977 provides a reactive site for cross-linking by ultraviolet or heat accelerated free radical cross-linking reactions. GP-977 is compatible with dimethyl silicone fluids, and with aliphatic and aromatic hydrocarbon solvents.
| Typical Properties | |
|---|---|
| Appearance |
Clear to Hazy, Colorless to Straw Liquid
|
| Weight/Gallon @ 25°C |
8.0 lbs
|
| Flash Point (P.M.C.C.) |
>300° F
|
| Specific Gravity |
0.98
|
| Wt. % Active |
100%
|
| Molecular Weight (Calculated) |
9600 amu
|
| Viscosity (cPs) @ 25°C |
300 cP
|
| Wt. % Vinyl |
0.54%
|
| Refractive Index |
1.4090
|
Applications
GP-977 is recommended for the following applications:
- Heat or Radiation Cure Coatings
- Silicone/Organic Copolymer Synthesis
Processing and Safety Guidelines
GP-977 contains a low level of vinyl groups. Care should be exercised in handling GP-977 to prevent contact with skin or eyes. Wear safety glasses with side shields and rubber gloves when handling. Consult Safety Data Sheet for additional details.
Packaging/Handling/Storage
GP-977 is supplied in 5-gallon (18 kg.) pails, 55-gallon (200 kg.) drums and 330-gallon (1200 kg.) totes. Keep away from heat, sparks and open flames. Moisture Sensitive. Keep container tightly closed, under adequate ventilation.