Skip to main content

Table 3 Foaming process of PU

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

Foam Cream time (s) Rise time (s) Tack free (s)
Foam 1 13 65 75
Foam 2 18 80 90
Foam 3 17 70 84
Foam 4 15 65 77