Problem & Solution

Practical answers to common plastic material challenges

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Q

PET gel particle and impurity control

A

Gel particles rely on a three-pronged approach of filtration, plasticization, and raw material; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar prob...

Processing Machinery PETgel particlefiltrationplasticization

Q

PET equipment regular maintenance

A

Chronic defects of PET sheet must be hedged with preventive maintenance; periodic maintenance costs much less than after-the-fact cleaning; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PET;equipment maintenance;preventive maintenance;carbon buildup;cycle

Q

PET sheet die lines and flow marks

A

Die lines are a chronic appearance disease of PET sheet; frequent die lip cleaning plus stable pressure and temperature, together with intact filter screens, can maintain a mirror surface; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurr...

Processing Machinery PET;sheet;die line;die lip buildup;flow mark

Q

PET sheet black specks and impurities

A

PET sheet black specks are a zero-tolerance defect; only the trinity of equipment cleaning, temperature management, and filtration interception can eradicate them; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PET;sheet;black speck;carbonization;filter screen

Q

PET vs PP meal box selection

A

Microwave scenarios are PP's territory; PET must be clearly marked as prohibited; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the fu...

Processing Machinery PETPPmicrowavemeal box

Q

PET vs PC bottle selection

A

Reusable containers require PC-level toughness; PET is positioned for single use; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the fu...

Processing Machinery PETPCwater barreldrop

Q

PET vs PETG selection

A

PET and PETG are selected according to thickness and transparency requirements; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future

Processing Machinery PETPETGtransparencyselection

Q

PET recycled sheet

A

rPET sheet quality depends on washing, sorting and devolatilization; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future

Processing Machinery PETrPETsheetdevolatilization

Q

PET oven handle

A

Oven accessories must be selected with heat-resistant materials according to actual temperature rise; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting simila...

Processing Machinery PETovenhandleheat distortion

Q

PET lamp holder

A

Lamp holder materials are selected according to lamp temperature rise; PET is limited to low power; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar ...

Processing Machinery PETlamp holderheat resistanceaging

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