GP-805 Silicone Polyol Copolymer

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GP-805 is a 100% active polyoxyethylene (EO) modified dimethylpolysiloxane block copolymer. GP-805 is water-dispersible and resistant to breakdown by hydrolysis due to the presence of stable Si - C bonds between silicone and polyol block sections. Some of the special properties of GP-805 are listed below:

  • Low Surface Tension
  • Water Dispersible
  • Non-Hydrolyzable
  • Low Freeze Point
Typical Properties
Clear, Colorless to Straw Liquid
Weight/Gallon @ 25°C
8.5 lbs
Viscosity (cPs) @ 25°C
40 cP
Flash Point (P.M.C.C.)
Specific Gravity
Wt. % Active
Wt. % Silicone
Molecular Weight (Calculated)
622 amu
Polyol Type
Polyoxyethylene (EO)
Solubility in Water


GP-805 is recommended for use as a wetting agent or emulsifier in water-based coatings, inks, polishes and hard surface cleaners. Additionally, GP-805 may be used as a dispersing agent for the incorporation of clays, pigments and other powders in water.Other applications include the following:

  • Leveling and Flow Control Agent
  • Thread Lubricant
  • Profoaming Additive (Aqueous Systems)

Processing and Safety Guidelines

GP-805 has a very low order of toxicity, but should still be handled with all precautions common to the use of any industrial chemical product. Consult Safety Data Sheet for additional details.


GP-805 is supplied in 5-gallon (40 lbs.) pails, 55-gallon (460 lbs.) drums and 330-gallon (2760 lbs.) totes.  Moisture Sensitive. Keep containers tightly sealed. Store below 100° F.