Extrusion & Post
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PBD shear rate Regulation and Processing Stability
Problem Phenomenon
PBD exhibits shear rate-related process abnormalities in extrusion blending.
Cause Analysis
Under the PBD processing temperature of 140-180°C, improper setting of the shear rate parameters leads to Mooney viscosity drift.
Solution
Optimize the shear rate and shorten the residence time.
Key Takeaway
In PBD processing, shear rate control is the foundation of quality stability.
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