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문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

11636 질문
Q
Uneven crystallization white haze of PET injection products
A
PET crystallization behavior is very sensitive to mold temperature; uniform mold temperature is key.
Injection Molding PETuneven crystallizationwhite hazemold temperaturespherulite
Q
Sticking of PET during drying
A
PET drying sticking requires strict control of temperature and residence time.
Material Drying PETdryingstickingpre-crystallizationtemperature control
Q
Color darkening in PET extrusion pelletizing
A
PET recycling pelletizing color and IV value control are key indicators of recycling quality.
Material Drying PETextrusion pelletizingyellowingthermal degradationnitrogen protection
Q
Pearl luster spots on PET bottle body
Q
Processing difficulty after adding thermally conductive fillers to PET
A
PET thermally conductive composite processability depends on filler selection and interface treatment.
Material Analysis PETthermally conductive fillerprocessing difficultyviscositycoupling agent
Q
Poor dimensional accuracy of PET extruded profiles
A
PET profile dimensional accuracy requires stable control of the entire process.
Extrusion & Post PETprofiledimensional accuracysizing diehaul-off
Q
High acetaldehyde content in PET preforms
A
PET preform acetaldehyde content control is a key safety indicator for food packaging.
Processing Machinery PETacetaldehydeAA contentthermal degradationfood packaging
Q
Uneven wall thickness of PET stretch blow bottles
Q
High breakage rate in PET fiber spinning
Q
Gel particles and fisheyes on PET sheet surface
A
PET gel particles originate from impurities, degradation, or excessive drying.
Material Drying PETgel particlegelsolid-state polycondensationimpurities
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