Problema y solución

Respuestas prácticas a los desafíos comunes de los materiales plásticos

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Q

PSU Surface Impurities

A

Tracing PSU surface impurities covers three links: temperature, equipment, and raw materials; the intermittent characteristic points to material accumulated in dead spots; raw material cleanliness management cannot be ignored.; After confirming effectiveness, solidify the parameters and practices...

Material Drying PSU; surface impurities; decomposition; dead spots; raw material; cleanliness

Q

PSU Insufficient Drying Causing Silver Streaks and Bubbles

A

The destructive power of trace moisture in PSU is amplified at high temperatures; drying verification is the first gate for transparent part quality; appearance defects and performance decline often share the same source.; After confirming effectiveness, solidify the parameters and practices into...

Material Drying PSU; drying; silver streaks; bubbles; moisture; degradation

Q

Static Electricity Attracting Dust on PS Products

A

Static management relies on the dual means of material and environment.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence; Include this case in the defect archive as a reference for troubleshooting similar problems in the future

Material Drying PS; static electricity; dust attraction; antistatic; humidity

Q

GPPS Transparent Part Bubbles

A

GPPS bubbles are identified by three sources: moisture, degradation and vacuum bubbles; location and accompanying features can distinguish the types.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying PS;GPPS;bubble;drying;degradation;vacuum bubble

Q

PP Bubble and Shrinkage Void

A

PP bubbles and shrinkage voids are divided into two types, holding pressure, drying and venting treat the symptoms; 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 refere...

Material Drying bubbleshrinkage voidholding pressuredrying

Q

PP Silver Streak Moisture

A

PP silver streaks are mostly due to moisture, check drying, venting and storage; 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

Material Drying silver streakmoisturedryingventing

Q

PP Silver Streak Drying Misjudgment

A

Post-drying equipment troubleshooting of PP silver streaks is deep diagnosis; nozzle and back pressure are common omissions; systematic adjustment.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying PP;silver streak;drying misjudgment;nozzle;back pressure;screw

Q

PP Hydrolysis Resistance and Hot Water

A

PP has excellent hydrolysis resistance, use it with confidence for hot water parts; 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 ...

Material Drying hydrolysis resistancehot waterhumid heataging

Q

PP Low Moisture Absorption and Drying

A

PP is basically drying-free; moisture-affected material is remedied at 80°C×2h; 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 future problems

Material Drying PP drying low moisture absorption moisture-affected 80°C

Q

PP Drying 0.1% Red Line

A

PP's low water absorption does not mean zero drying; the 0.1% red line must be quantitatively verified; high-humidity environments are risk scenarios.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying PP; drying; 0.1%; silver streak; 80-90°C; high humidity

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