Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are

Temperature and gage pressure maintained during the manufacture of col

1.	Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are
A.	5°C and 1 kgf/cm².
B.	- 20°C and 1 kgf/cm².
C.	0°C and 1 kgf/cm².
D.	0°C and 3 kgf/cm².
Answer» B. - 20°C and 1 kgf/cm².