Q31
Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butediene rubber) are
A.
50°C and 3 - 4 kg/cm2
AnswerB.
50°C and 1 kgf/cm2
C.
250°C and 10 kgf/cm2
D.
250°C and 1 kgf/cm2
Answer: Option A
Solution
Answer: Option A
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