Extrusion & Post
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PB polybutene-1 shrinkage deformation problem in pipe extrusion
Problem Phenomenon
Polybutene-1 PB exhibits shrinkage deformation during pipe extrusion processing at 180-230°C.
Cause Analysis
PB crystallization shrinkage is the key factor.
Solution
Optimize processing temperature.
Key Takeaway
PB pressure pipes need to control crystal form transition.
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