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Q

PCABS PC component hygroscopic characteristics

A

PC/ABS drying follows PC, 100-120℃×3-4h is the benchmark; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying dryingPC componenthydrolysis100-120℃

Q

PCABS pre-processing verification

A

PCABS pre-processing verification is the key to hydrolysis prevention; irreversibility requires prevention first; standard execution ensures quality.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying PCABS；pre-processing verification；0.02%；hydrolysis；irreversible；prevention

Q

PCABS seasonal drying

A

PCABS seasonal drying management is a quality detail; charts and checks are both important; monitoring prevents environmental fluctuations.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying PCABS；seasonal；drying；dew point；hopper；environment

Q

PCABS nozzle bubbling

A

PCABS nozzle bubbling is an immediate signal of insufficient drying; observation and retest are both important; verification ensures production quality.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying PCABS；nozzle；bubbling；steam；drying；verification

Q

PCABS drying equipment

A

The choice of PCABS drying equipment affects quality; dehumidifiers are standard equipment; maintenance ensures performance.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying PCABS；drying equipment；dehumidifier；hot air oven；dew point；maintenance

Q

PCABS processing temperature looser than pure PC

A

The looser processing of PCABS than pure PC is an efficiency advantage; but drying is still necessary; management ensures quality.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying PCABS；loose processing；pure PC；drying；flowability；warpage

Q

PCABS drying temperature and time

A

Supplier differences in PCABS drying must be confirmed; dehumidifying dryers are standard equipment; moisture content verification is the final criterion.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying PCABS；drying；80-110℃；3-4 hours；dehumidification；dew point

Q

PCABS hydrolysis strength loss 50%

A

PCABS hydrolysis is the culprit of 50% strength loss; the 0.02% moisture content red line must be quantitatively verified; visual judgment of drying is a fatal error.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying PCABS；hydrolysis；strength loss；50%；0.02%；drying

Q

PC/ABS bubble

A

Bubbles are identified in four categories: moisture, trapped air, vacuum bubble, and degradation.; 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 p...

Material Drying PC/ABS；bubble；drying；venting；shrinkage compensation；degradation

Q

PC/ABS silver streak (degradation type)

A

Degradation-type silver streaks are shiny and drying is ineffective; temperature reduction verification is the identification method.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a tro...

Material Drying PC/ABS；silver streak；degradation；temperature；shear；identification

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