Wholesale Carbomer 940 - Cyclobutane-1,2,3,4-tetracarboxylic Dianhydride (CBDA) With Cas 4415-87-6 – Unilong
Wholesale Carbomer 940 - Cyclobutane-1,2,3,4-tetracarboxylic Dianhydride (CBDA) With Cas 4415-87-6 – Unilong Detail:
Cyclobutane-1,2,3,4-tetracarboxylic dianhydride and diamine monomer are used for preparation a polyimide (PI), the type of polyimide has excellent electrical characteristics and optical type, with the material prepared the PI film, in addition to having a higher rate cast visible outside, and can withstand high temperatures thirty-four Baidu. Its performance is very good, is the preparation of a liquid crystal display with an ideal material for the film.
Appearance |
White or light white power |
Purity(%) |
≥98.0 |
A410 |
≤0.020 |
Cu,ppm |
<1 |
Fe,ppm |
<1 |
Na,ppm |
<1 |
K,ppm |
<1 |
Ca,ppm |
<1 |
Preparation reagents for biologically and pharmacologically active molecules; preparation of photosensitive polyimide materials for high-performance organic thin film transistors; selective cross-linking of polyimide photonic devices.
25kgs/drum, 9tons/20’container
25kgs/bag, 20tons/20’container
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