BAYPRET® USV is a self-crosslinking polyether polyurethane polymer which forms a permanent highly elastic film around the fibres. This film is formaldehyde-free. Unlike synthetic resins, BAYPRET® USV does noet need a catalyst because it is self-crosslinking. If it is used in combination with synthetic resins these should be crosslinked with weak catalysts such as magnesium chloride or aminohydrochloride. BAYPRET® USV may react to strong catalysts such as zinc nitrate or zinc chloride.
Basic handle is soft and high-bulk
Improves abrasion resistance and rubfastness
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