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Table 2 Formulation of foams

From: Characterization of polyurethane foams prepared from liquefied sawdust by crude glycerol and polyethylene glycol

Materials Parts by weight (php)
Polyol 100
Tin octoate as catalyst 1.2
DABCO as catalyst 1.8
Silicone as surfactant 2.5
HCFC-141b as blowing agent 2.5
Water as blowing agent 0.5