Bayhydur® BL 5335 

Bayhydur® BL 5335 is a hydrophilized, blocked aliphatic polyisocyanate based on Desmodur® W, in combination with Bayhydrol® grade OH-functional polymers for the formulation of lightfast, single-component polyurethane baking coatings. This product has a non-volatile content (1g / 1h / 105°C) of 34-36, a flow time at 23°C, (4mmcup) of 10-30, a pH at 20°C of 4.4-6.0.

Bayhydur® BL 5335 is a blocked polyisocyanate and was developed for industrial use. It is used as a hardener for the formulation of lightfast one-component polyurethane baking coatings suitable for spray, dip or roller application. The product is preferably used in glass coating applications. It can be used in combination with Bayhydrol® U XP 2239 for the formulation of hydrolytically stable coatings with good glass adhesion and outstanding resistance to solvents and chemicals, in particular sodium hydroxide. Baking parameters are 30 minutes at 170°C.

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拜耳材料生產膠黏劑原料,用於制備交通、家具、鞋、包裝和建築市場用觸敏和熱活化膠黏劑,反應性和熱熔膠粘劑。拜耳提供基於聚氨酯和氯丁橡膠的全面產品系列,包括能夠提供耐紫外線和耐候性的特種原材料。

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