Problem & Solution

Practical answers to common plastic material challenges

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Q

PC Delayed Cracking

A

PC delayed cracking is a stress debt; annealing and evaluation for prevention; after confirming effectiveness, solidify 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 ...

Processing Machinery delayed crackinginternal stressannealingevaluation

Q

PC Cold Slug Marks

A

For PC cold slug marks, check the nozzle and cold slug well; after confirming effectiveness, solidify 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 cold slug marksnozzlecold slug wellinjection speed

Q

PC Discoloration and Yellowing

A

PC yellowing is a degradation alarm; check the melt temperature, residence and shear; after confirming effectiveness, solidify 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 ...

Processing Machinery discolorationdegradationresidenceshear

Q

PC Stress Cracking by Solvents

A

For PC stress cracking, look at solvents; annealing and material selection are the two countermeasures; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting...

Processing Machinery stress crackingsolventESCannealing

Q

PC Glass Fiber Reinforced Warpage

A

Glass fiber reinforced PC trades toughness for rigidity; orientation design, surface management and equipment protection are the three supporting tasks; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Processing Machinery PC;glass fiber reinforcement;warpage;floating fibers;anisotropy

Q

PC Thermal Degradation Yellowing

A

Yellowing is the first signal of PC thermal degradation; dual management of the temperature upper limit and residence time, and shutdown handling specifications must be written into the work instruction; after confirming effectiveness, solidify the parameters and practices into the work instructi...

Processing Machinery PC;thermal degradation;yellowing;residence time;320°C

Q

PC Electrical Insulation Applications

A

PC has good electrical insulation; CTI and flame retardancy are selected as needed; after confirming effectiveness, solidify 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...

Processing Machinery electrical insulationCTIflame retardantheat resistance

Q

PC Welding and Joining

A

PC welding processes are complete; laser welding is aesthetic for transparent parts; after confirming effectiveness, solidify 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 i...

Processing Machinery weldingultrasonic weldinglaser weldingsolvent

Q

PC Cost Control

A

PC cost reduction relies on the three optimizations of alloying, reinforcement and wall thickness; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting simi...

Processing Machinery costalloyingreinforcementwall thickness

Q

PC Recycling

A

PC recycling is feasible, with a 20% ratio and prohibition for optical parts; after confirming effectiveness, solidify 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 f...

Processing Machinery recyclingregrindmolecular weightoptical parts

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