Asahi Kasei Duranate® Standard Hardener Series TPA-100 /90SB, TKA-100 /90SB, 22A-75PX…

Specification		22A-75PX	TKA-75B	TPA-90SB	TKA-90SB	TPA-100	TKA-100
type		Standard		Standard		Standard
Element		Biuret	trimer	trimer		trimer
Solid content (wt%)		75	75	90	90	100	100
NCO%(wt%)		16.5	16.5	20.9	19.5	23.1	21.8
Free NCO content		<0.5%	<0.5%	<0.5%	<0.5%	<0.5%	<0.5%
Viscosity (mpa.s. 25℃)		250	200	250-500	550~600	1400	2670
solvent		PMA xylene	Butyl acetate	100# Ethyl acetate	Butyl acetate	—D12	—D12
Features		High NCO content, weather resistance, fast drying		High NCO content, weather resistance, fast drying		High NCO content, weather resistance, fast drying
Drying (hr20℃)		35	25	30	25	30	25
Gel composition rate	16 hours	48	75	62	75	62	75
	1 day	67	87	77	87	77	87
	7 days	95	95	95	95	95	95
hardness		HB	HB	F	HB	F	HB
Adhesion	Adhesion	good	good	good	good	good	good
	Anti-rust steel plate	good	good	good	good	good	good
	aluminum plate	good	good	generally	good	generally	good
	Polyamide	good	good	good	good	good	good
	Polycarbon resin	good	good	good	good	good	good
	ABS	good	good	good	good	good	good
Bending resistance 2φ mandrel		good	good	good	good	good	good
Impact 1/4-500g		30cm		30cm		30cm
Impact 1/4-1000g			>50cm		>50cm		>50cm
Water resistance		good	good	good	good	good	good
Gasoline resistance		good	good	good	good	good	good
drug resistance	10% hydrochloric acid	good	good	good	good	good	good
	10% sulfuric acid	good	good	good	good	good	good
	10% sodium hydroxide	good	good	good	good	good	good
Weather resistance	acrylic	good	excellent	excellent	excellent	excellent	excellent
Weather resistance	fluorine	-	excellent	excellent	excellent	excellent	excellent
use			For the production of polyurethane coatings with excellent weather resistance