4704. Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are

by
5°C and 1 kgf/cm2.
– 20°C and 1 kgf/cm2.
0°C and 1 kgf/cm2.
0°C and 3 kgf/cm2.
✅ The correct answer is option A.

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