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Application
"This is a low unsaturated polypropylene oxide ether diol, with a molecular weight of 400-4000. As the basis component for the soft segment structure of poly-urethane, it can be used for a variety of poly-urethane waterproof products.
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Feature
DL series products are mainly used for CASE series products, with a molecular weight range from 400 to 4000. For application, as the molecular weight of the polyol increases, the elongation at break gradu-ally increases while the tensile strength and hardness dec-reases. Users may choose polyether polyols of different molecular weight according to their final product’s request. They can also combine MN-3050DF, EP-330NG10LD76E/10LD76EK, 10LD83E/10LD83EK and EP-3600 in groups to increase the product’s tensile strength.
Performance
Hydroxylvalue(mgKOH/g)36-39 Acid value(mgKOH/g)≤ 0.05 Water content(%)≤ 0.02 PH(ph)5-8 Unsaturatedvalue (mol/kg)≤ 0.01 Viscosity （mPa·s/25℃）500-600 Colourity（APHA）≤20 Functionality 2 Molecular weight 3000
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