Bayhydur® 305 

Bayhydur® 305 is a hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI) that is used as a hardener for aqueous two-component polyurethane systems. This product has a NCO content of 16.2 ± 0,4, a viscosity at 23°C of 6,500 ± 1,500, a hazen color value of ≤ 150, and a monomeric HDI content of < 0.15.

Bayhydur® 305 is a crosslinker for aqueous coatings. It was developed specially for trade applications where the ease of mixing the hardener by shaking or manual stirring is a key requirement. Despite pre-thinning, the coating yields transparent glossy films. The mixing ratio of mill base to hardener is usually 10:1.

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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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