Problem & Solution

Practical answers to common plastic material challenges

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Q

PCL uneven shrinkage

A

PCL shrinkage management is the prerequisite for dimensional accuracy; uniformity is the core; testing verifies the actual situation.；After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PCL；shrinkage；unevenness；dimensions；wall thickness；cooling

Q

PCL thermal degradation bubbles

A

Residence time control of PCL thermal degradation is the key; temperature management prevents overheating; machine cleaning maintains purity.；After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PCL；thermal degradation；bubbles；impurities；residence；machine cleaning

Q

PCL Low Melting Point and Narrow Processing Window

A

PCL's 60°C melting point and 140°C processing temperature are a special combination; the narrow window requires precise temperature control; uniformity ensures quality stability.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PCL;melting point;60°C;processing window;temperature control;degradation

Q

PCABS Surface Hardness Scratches

A

PC/ABS is prone to scratches; protect with film and hard coatings; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future

Processing Machinery scratchsurfaceprotectioncoating

Q

PCABS Color Difference Between Batches

A

PC/ABS color difference is controlled by thermal history, color masterbatch, and regrind; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems i...

Processing Machinery color differencecolor masterbatchregrindthermal history

Q

PCABS Low-Temperature Embrittlement

A

PC/ABS low temperature requires verification, with fillets and toughening as double insurance; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar probl...

Processing Machinery low-temperature embrittlementimpactfillettoughening

Q

PCABS Flame-Retardant Part Discoloration

A

PC/ABS flame-retardant materials fear high temperature; check temperature first upon discoloration; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar ...

Processing Machinery flame retardant discolorationdecompositiontemperature upper limithalogen-free

Q

PCABS Delayed Cracking

A

PC/ABS delayed cracking is a stress account; annealing and evaluation prevent it; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the fu...

Processing Machinery delayed crackinginternal stressannealingevaluation

Q

PCABS Cold Slug Marks

A

For PC/ABS cold slug marks, check the nozzle and cold slug well; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future

Processing Machinery cold slug marknozzlecold slug wellinjection speed

Q

PCABS Discoloration and Yellowing

A

For PC/ABS yellowing, check thermal history first, then regrind and color masterbatch; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in t...

Processing Machinery discolorationthermal historyregrindcolor masterbatch

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