Table 1.

Formulations of PUR composites prepared in the current study.

System	Compound	Content (wt.% to Polyol)
Polyol system	Stepanpol PS2352	100
	Pentane/cyclopentane	11
	Tegostab B8513	2.5
	Kosmos 33	6
	Kosmos 75	0.8
	Water	0.5
	Casein/apricot filler	0, 1, 2, 5
Isocyanate system	Purocyn B	160