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Problem & Solution

Practical answers to common plastic material challenges

11636 questions
Q
Defects caused by insufficient drying before random copolymer polypropylene random copolymer polypropylene processing
Q
Bubbles/pores on the surface of random copolymer polypropylene extruded products
Q
Severe warpage deformation of random copolymer polypropylene PP products
Q
Melt flow rate mismatch of raw material for random copolymer polypropylene extrusion
A
MFR mismatch needs to be solved by selecting suitable grades and adjusting temperature parameters.
Extrusion & Post melt flow rategrade selectionextrusion gradeprocess adjustmentbatch testing
Q
Insufficient rigidity of random copolymer polypropylene injection molded products
Q
Uneven wall thickness caused by core shift in random copolymer polypropylene injection mold
A
Q
Cooling water channel clogging of random copolymer polypropylene injection mold
Q
Low weld strength of random copolymer polypropylene injection molded products
Q
Improper processing temperature window selection for random copolymer polypropylene random copolymer polypropylene
A
Temperature window selection is the foundation of processing and needs to be reasonably set according to material characteristics and actual operating experience.
Processing Machinery processing temperaturetemperature windowplasticization qualitymaterial degradationtemperature calibration
Q
Low-temperature brittleness problem of random copolymer polypropylene PP products
A
PP low-temperature brittleness can be improved by selecting copolymer grades and adding toughening agents.
Material Analysis low-temperature brittlenesshomopolymer PPglass transitiontougheningPP COPO
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