Temperature and gage pressure maintained during the manufacture of
hot SBR (styrene butadiene rubber) are
(A) 50°C and 3 - 4 kg/cm2
(B) 50°C and 1 kgf/cm2
(C) 250°C and 10 kgf/cm2
(D) 250°C and 1 kgf/cm
hot SBR (styrene butadiene rubber) are
(A) 50°C and 3 - 4 kg/cm2
(B) 50°C and 1 kgf/cm2
(C) 250°C and 10 kgf/cm2
(D) 250°C and 1 kgf/cm