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| Sell air-dry unsaturated polyester resin |
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| Unsaturated acid, saturated acid, diol, polyalcohol, special additive, assistant pyrosynthesis etc.. |
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Air-drying type unsaturated polyester resin is widely used as raw material of manufacturing Polyester Putty and PE priming.
Polyester Putty made of this type of resin has very good polishing performance, excellent resistance to temperature changing and outstanding adhesive force ability. Pliability can reach less than 50mm, with high-temperature resistance of over 150Ą
ć
. Mainly being applied to the leveling up and decoration of the blemishes, such as the drop pits of keelsons, pin-shaped cavities, crackles, and little welding lines etc. before closing the floating coat in the painting technics of passenger car to satisfy the leveling and smoothness of the keelsons before painting the surface. It is also of good toolability for glass reinforced plastics.
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No. Testing I tem Test Result Ref. Standard
1 Appearance of UP resin
Light Yellow Transparent Ropy Liquid
By eyes
2 Acid Number, mg KOH/g
20 to 30
GB2895-82
3 Viscidity(25 deg.C.)mPa.S
80 to 120
GB7193.1-87
4 Gelling time, min
3 to 6 (meet customerĄ
Ż
s requirements)
GB7193.6-87
5 Content of solid
66 to 70
GB7193.3-87
6 Heat Stability at 80C.
4 days
GB7193.5-87
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