Toluene diisocyanate manufacturer Knowledge Japan Asahi Kasei PCDL polycarbonate diol series T6002 6001 5652 5651 5650J 5650E 4672 4671 4692 4691 3450J 3452 CAS No. 32472-85-8

Japan Asahi Kasei PCDL polycarbonate diol series T6002 6001 5652 5651 5650J 5650E 4672 4671 4692 4691 3450J 3452 CAS No. 32472-85-8

author: Post: 09/05/2023 51read Comments Off

Product Features
Compared with general polyester and polyether diols It exhibits quite excellent mechanical properties, hydrolysis resistance, thermal stability, weather resistance and solvent resistance.

Application
Artificial leather, synthetic leather, TPU, spandex, adhesives, coatings, etc. Among all the above products, PCD will be the best choice if it is particularly necessary to improve durability. The following comparison table:

Item	Asahi KaseiPCDL	CommonPCDL	PTMG	PHA
Heat resistance	Excellent	Excellent	Poor	Good
Weather resistance	Excellent	Excellent	Poor	Good
Viscous liquid	Viscous liquid
Hydroxyl Value (KOHmg/g)	45～56	100～120	51～61	100～120	130～150	51～61
acid value (KOHmg/g)	<= 0.05	<= 0.05	<= 0.05	<= 0.05	<= 0.05	<= 0.05
Moisture	<= 0.05	<= 0.05	<= 0.05	<= 0.05	<= 0.05	<= 0.05

<= 0.05

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