Home >Products >Crosslinkers
Polyurethane synthetic raw materials 昊毅新材制造HAOYI New material manufacturing Vertellus' products Vertellus' medical products Medical products Nouryon Surfactant Series Covestro coating raw materials BASF Auxiliary Series Evonik Auxiliary Series BYK Auxiliary Series Japan Shin-Etsu Additives Additives Crosslinkers Resin Plastic elastomer Specialty functional chemicals Cashew Nut Shell Oil Products Automotive Supply Chain Products Functional Monomers Valirex® Dryers for Waterborne ECOS® ND polymeric cobalt drier Valirex® Novel Next Anti-Skinning Valires® HA Modified Alkyd Valirex® Ink Dryers Others
Asahi Kasei Duranate® Standard Hardener Series TPA-100 /90SB, TKA-100 /90SB, 22A-75PX…
Details

 

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
fluorine - excellent excellent excellent excellent excellent
use   For the production of polyurethane coatings with excellent weather resistance

60 degree gloss retention

Chromatic aberration


NCO reaction rate of the coating film (take 24A-100 as an example)