Effect of Silane Treatment Methods on Physical Properties of Rice Husk Flour/Natural Rubber Composites

Table 1

Formulations of gum NR and NR composites.

Materials	Content (phr)
NR	100	100	100	100
Zinc oxide	5	5	5	5
Stearic acid	1.5	1.5	1.5	1.5
CBS^a	0.5	0.5	0.5	0.5
Sulphur	2.5	2.5	2.5	2.5
2ALT	—	30	—	—
UW-ST	—	—	30	—
W-ST	—	—	—	30

^aN-cyclohexyl-2 benzothiazole-2-sulfenamide (CBS).