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Polyol Laprol of 5003-2B-10 Grade
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Polyol Laprol of 5003-2B-10 Grade

Laprol of 5003-2B-10 is a polyether produced by alcoholate polymerization of propylene oxide and glycerine with further block copolymerization with ethylene oxide. Laprol of 5003-2B-10 grade is used in the production of elastic polyurethanes, it is also used as a froth breaker in biochemical processes (e.g. yeast production).

MAIN QUALITY CHARACTERISTICS

Appearance
transparent viscous liquid with color range from transparent to brown
Hydroxyl number, mg KOH/g
32.0 - 36.0
Acid number, mg KOH/g, max.
0.10
pH of product
6.00 - 7.50
Water content, %, max.
0.10
Iodine numer, g of iodine per 100 g, max.
2.00
Dynamic viscosity at 25 °C MPa.c (cP)
800-950
Potassium content, mg/dm3, min.
20
Oxyethyl groups content, %
11.0-13.5
Color, Hazen, max.
100


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