4734. Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butediene rubber) are September 7, 2025 by Admin 50°C and 3 – 4 kg/cm2 50°C and 1 kgf/cm2 250°C and 10 kgf/cm2 250°C and 1 kgf/cm2 ✅ The correct answer is option A.
