GP-504 Epoxy Functional Silicone Fluid

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GP-504 is a glycidoxypropyl (epoxy) functional dimethylpolysiloxane copolymer where x = 79.

Typical Properties
Clear to Slightly Hazy, Colorless to Straw Liquid
Weight/Gallon @ 25°C
8.0 lbs
Flash Point (P.M.C.C.)
Viscosity (cPs) @ 25°C
140 cP
Specific Gravity
Molecular Weight (Calculated)
6200 amu
Epoxy Equivalent Weight *
3100 gms
Refractive Index
* gms per epoxy equivalent


The glycidoxypropyl (epoxy)-alkyl functionality in GP-504 provides a site for reactions with alcohol, acid and amine functional monomers, allowing the synthesis of a variety of organo-functional silicones. 

Processing and Safety Guidelines

GP-504 contains a low level of epoxy groups. Care should be exercised in handling GP-504 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.


GP-504 is supplied in 5-gallon (40 lb.) pails, 55-gallon (440 lbs.) drums and 330-gallon (2640 lbs.) totes. Moisture Sensitive. Keep containers tightly sealed. Store below 100º F.