Polynt POLYCOR® 949 Series, Conductive Sanding Gel Coat

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Polynt POLYCOR® 949 Series, Conductive Sanding Gel Coat
Categories:	Polymer; Thermoset
Material Notes:	POLYCOR® 949 Series sanding gel coats have been specifically formulated for use as a sanding substrate. Sanding gel coats are used for FRP parts that will be subsequently painted. They can be used for room temperature and heated molding (RTM) applications. Customer experiences have proven that these products can be post-baked at temperatures up to 285°F for as long as two hours. They may also be used for utility, noncritical exterior applications. They are not intended (nor should they be used) as a surface coat for the marine, tub/shower or swimming pool industries. They should not be used for water immersion service (boat hull, swimming pool, spa, water tank, etc.), even if/when painted. Features and Benefits: Easy to spray Resistance to porosity and pinholing Easy to sand when cured Information provided by Polynt Composites.
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Physical Properties	Original Value	Comments

Brookfield Viscosity	11000 - 20000 cP	RVF #4 spindle @ 4 rpm

Electrical Properties	Original Value	Comments
Surface Resistance	50000 ohm

Processing Properties	Original Value	Comments
Cure Time	45.0 - 60.0 min	Lay-up Time
Gel Time	4.00 - 22.0 min @Temperature 25.0 °C	100 g mass, 77°F, 1.8% or 2% Arkema Luperox® DDM-9

Descriptive Properties
Sag Resistance	Good @ 20 mils
Thixotropic Index	5.5-7	2/20 rpm

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PPOLYN9217 / 231812

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