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Practical answers to common plastic material challenges

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Q

PPO '2079851475616104452 Cycle Fluctuation Defects

A

PPO fears rhythm fluctuation, and residence time management follows the rhythm; 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...

Injection Molding cycle fluctuationresidence timerhythmthermal balance

Q

PPO Extrusion Internal Stress Deformation

A

The root of PPO extrusion deformation is uneven cooling, and post-processing is the remedial bottom line; 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 troubleshooti...

Extrusion & Post extrusion deformationinternal stresscoolingpost-processing

Q

PPO Extrusion Bubbles

A

For PPO extrusion bubbles check drying and the venting section; vacuum is the key; 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 ...

Material Drying extrusion bubblesventingdryingvacuum

Q

PPO Extrusion Surface Defects

A

For PPO extrusion surface check die temperature and land; speed reduction and polishing assist; 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...

Extrusion & Post extrusion surfacesharkskindieshear

Q

PPO Chemical Resistance Failure

A

PPO fears aromatic hydrocarbons, halogenated hydrocarbons and oils; switch to GTX alloy for chemical resistance occasions; 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 ...

Processing Machinery chemical resistanceswellingaromatic hydrocarbonsGTX

Q

PPO Brittleness and Notch Sensitivity

A

PPO is notch-sensitive; rounding plus annealing is double insurance against cracking; 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 brittlenessnotchfilletstress concentration

Q

PPO Gate Marks and Whitening

A

PPO gate marks are controlled by both position design and sharp trimming; 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

Molds & Tooling gate markswhiteningtrimmingsubmarine gate

Q

PPO Flow Marks and Uneven Gloss

A

For PPO flow marks and poor gloss check temperature stability; uniformity is the keyword; 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 probl...

Molds & Tooling flow marksglosstemperature stabilityuniformity

Q

PPO Glass Fiber Grade Warpage

A

The root of PPO glass fiber warpage is orientation, and gate design is the first adjustment means; 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...

Molds & Tooling warpagefiber orientationgatelow-warpage grade

Q

PPO Glass Fiber Grade Floating Fiber

A

Floating fiber of PPO high-fiber grades is suppressed by temperature and injection speed, with gates cooperating for homogenization; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a ...

Injection Molding floating fiberglass fibermelt temperatureinjection speed

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All Topics 11636 Material Drying 1439 Injection Molding 1506 Molding Process 740 Molds & Tooling 1506 Processing Machinery 2025 Extrusion & Post 2239 Blow Molding 315 Thermoforming 141 Material Analysis 1343 Production & Quality 382