Polynt POLYCOR® 255X Series Gel Coat

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Polynt POLYCOR® 255X Series Gel Coat
Categories:	Polymer; Thermoset
Material Notes:	Polynt Composites 255X series gelcoats are formulated specifically for the fiberglass industry where reduced flame propagation properties are needed. Its specific formulation results in a unique hardness that helps to prevent graffiti and scratches. 255X series gelcoats are designed for interior application. Because of the special additives that improve hardness and decrease the flame spread, 255X series are not recommended for parts used under direct sun exposure or prolonged water immersion. Information provided by Polynt Composites.
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Physical Properties	Original Value	Comments

Density	1.27 - 1.32 g/cc
Brookfield Viscosity	11000 - 16000 cP	Colors, RVF rotor #4 @ 4 rpm
	15000 - 20000 cP	Whites, RVF rotor #4 @ 4 rpm

Processing Properties	Original Value	Comments
Cure Time	45.0 - 60.0 min	Tack Free
Gel Time	7.00 - 17.0 min	1.8% MEKP925

Descriptive Properties
Sag Resistance	Good at 20 mils
Thixotropic Index	>5.5	2/20 rpm

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PPOLYN9264 / 231859

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