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Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

11636 perguntas
Q
PET extrusion output fluctuation and surging
Q
Neck deformation of PET bottles during hot filling
A
Q
Fisheye gel particles in PET extruded sheet
Q
Poor compatibility and delamination of PET modified material
A
The core of PET blend modification lies in improving interfacial compatibility.
Extrusion & Post PETblendingcompatibilitydelaminationcompatibilizer
Q
Bubbles or silver streaks in PET preforms
A
Strict PET drying is the prerequisite for preform quality; moisture control must reach ppm level.
Material Drying PETbubblessilver streakinsufficient dryingmoisturehydrolysis
Q
Stress cracking of PET products
A
PET internal stress management needs to be addressed from mold temperature, product design, and post-treatment.
Molds & Tooling PETstress crackinginternal stressannealingmold temperature
Q
Large shrinkage rate fluctuation of PET injection parts
A
PET shrinkage rate is dominated by crystallinity and holding pressure; process stability is the guarantee of dimensional accuracy.
Injection Molding PETshrinkage ratedimensional instabilityholding pressurecrystallinity
Q
Yellowing and embrittlement of PET injection products
A
PET thermal degradation is a common problem in processing; temperature control and residence time management are key.
Injection Molding PETthermal degradationyellowingembrittlementtemperature too high
Q
Burning during PCTG welding
A
PCTG welding burns require fine energy control.
Molding Process PCTGwelding burnenergy control
Q
Solvent bonding joint strength of PCTG products
A
PCTG solvent bonding requires process parameter optimization.
Molding Process PCTGsolvent bondingpenetrationjoint
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