Aspera PU W3000 is very soft waterborne aliphatic polyurethane which has a very good light fastness and hydrolysis resistance. It is particularly suitable for finishing or impregnation when a full and soft hand is required. Aspera PU W 30 is suitable for the formulation of textile coatings for use in numerous applications.
The treated goods should be cured as temperatures of at least 1300C after drying to give complete cross linking and fix the product on the fiber. General curing conditions are 130 – 1800C for 3 min – 15 sec.
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