168P/6168P is an orthophthalic type promoted unsaturated polyester resin mainly composed of phthalic anhydride, maleic anhydride and standard diol. It is soluble in cross-linking monomers such as styrene and has low viscosity and moderate reactivity.
Features and Application
168P/6168P is promoted resin, good leveling and defoaming, high hardness, good surface dry, easy to sanding, suitable for stone base coating, mending or strengthen,also can used for general FRP.
● Performance index of liquid unsaturated polyester resin - synthetic liquid resin 168P/6168P used for quarts stone:
Performance
Parameter
Unit
Standard test
Appearance
Transparent light bluish green or light blue viscous liquid
-
-
Acid value
18-26
mgKOH/g
GB/T 2895-2008
Viscosity25℃
0.30-0.50
Pa.s
GB/T 7193-2008
Solid content
59-67
%
GB/T 7193-2008
Stability,80℃
≥24
h
GB/T 7193-2008
Gel time
5.5-6.5
min
GB/T 7193-2008
Gel time test:25 ° C water bath, 50g resin plus 0.9g T-8M(Neweco ,1% Co) and 0.9g M-50(Akzo-Nobel)
