Blow Molding
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PB polybutene-1 dimensional instability problem in '2079851475616104457
Problem Phenomenon
Polybutene-1 PB exhibits dimensional instability during blow '2079851475616104453ing at 180-230°C.
Cause Analysis
PB molecular weight is the key factor.
Solution
Control cooling rate.
Key Takeaway
PB pressure pipes need to control crystal form transition.
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