国产精品免费观看视频,69av视频在线,91精品国产免费久久久久久,国产白拍,最新亚洲精品国自产在线观看,91精品国产免费自在线观看,亚洲国产精品一区二区第四页

Factory:Puyang Shenghuade Chemical Co.,Ltd
Name:Nadic anhydride, Carbic anhydride, 5-Norbornene-2,3-dicarboxylic anhydride, 3,6-Endomethylene-1,2,3,6-tetrahydrophthalic anhydride
Number:003
CAS No:826-62- 0
Molecular formula:C₉H₈O₃ (164.16)
Structural formula:
Performance:White solid，Soluble in benzene, toluene, acetone, chloroform, etc., have deliquescence. Specific gravity:1.417.

Quality indexes:(Enterprise indexes  ):

Package:Packed in 25 kg polypropylene woven bags polyethylene lining or 50kg fiber can.
Attention:Store in cool, dry places and keep away from fire and moisture.
Applications:
1. Used for unsaturated polyester resin to provide it with better air drying performance, heat resistance, smoothness, electrical property, corrosion resistance and mechanical strength than phthalic anhydride and THPA.
2. Used for epoxy resin curing agents in casting, laminating and powder moulding, etc. The condensate is provided with excellent resistance to elements, heat resistance and electrical property.3. Used for modifying agents for alkyd resin, urea formaldehyde resin and melamine resin, etc.
4. Used for insecticides, sulfuration regulators, plasticisers, surfactants, textile tiding up penetrants, etc.