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polyester polyol 400A
Be used as raw materials for polyurethane rigid foams
(1…
polyester polyol 400A
Be used as raw materials for polyurethane rigid foams
(1)brown liquid
(2)hydroxyl value 420
400A is a kind Aromatics polyester polyol.
It can be used for PU rigid foam,such as sandwich panel,pipe insulation,spaying.
It is modified from Aromatic polyester DuoYuan alcohol based on benzene diformate- diethylene glycol.
Characteristics
Appearance brown liquid unit
hydroxyl value 420±20 mgKOH/g
Acid value ≤3.0 mgKOH/g
viscosity 2000-4500 mpa•s /25°C
water content ≤0.1 %
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