亚洲欧美成αv人在线观看_2021国产精品视频网站_无码的A∨一级片_国產免費大全AV


Nadic anhydride


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  ):

 

Item

Quality indexes

Enterprise indexes

appearance

White solid

White solid

pure,%     

≥98

≥99

Melting point (oC)   

≥160oC

162--165oC

Degree of color≤90# (APHA)

≤90#

≤90#

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.





  Previous product: Ethylidene Norborene (ENB)
  Next product: Pyromellitic dianhydride(PMDA)