Baybond® PU 405 has anionic/non-ionic cross linking polyether urethane polymer used as the film-forming component in glass fiber sizes. It is commonly used as the filmforming component in glass fiber sizing, and is useful for the sizing of glass fibers used to reinforce thermoplastics, especially polyamide. Glass fiber sizes based on Baybond® PU 405 have excellent filmforming properties, adhesion and colorfastness. This product is also highly resistant to the effects of shear forces and hydrolysis. Full mechanical properties of Baybond® PU 405 are developed by post-crosslinking for 20 minutes @ 170°C. As with any product, use of Baybond® PU 405 in a given application must be tested (including but not limited to field testing) in advance by the user to determine suitability.
Covestro manufactures adhesive raw materials for use in the production of contact and heat-activated adhesives, as well as reactive and hot-melt adhesives for the transportation, furniture, footwear, packaging, and construction markets. Bayer offers a comprehensive range based on polyurethane and polychloroprene, with specialty raw materials that offer UV light and weather resistance.
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