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Practical answers to common plastic material challenges

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Q

PTFE Pre-pressing Insufficient Degassing

A

PTFE pre-pressing degassing is the premise of final pressing quality; slow pressing is the operation point; air entrainment prevention starts from loading.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Production & Quality PTFE;pre-pressing;degassing;pores;pressing speed;loading

Q

PTFE Improper Cooling Rate

A

PTFE cooling rate 30℃/h is the quantified standard for preventing stress; crystallinity management runs through the entire cooling process; curve records support traceability.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Production & Quality PTFE;cooling rate;30℃;deformation;crystallinity;curve

Q

PTFE Static Electricity Problem

A

PTFE's excellent insulation is accompanied by static electricity troubles; antistatic modification is the premise of application expansion; occasion assessment determines material selection.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent rec...

Production & Quality PTFE;static electricity;insulation;antistatic;cleanliness;dust

Q

PTFE Sintering Deformation

A

PTFE sintering deformation is directly related to crystallinity management; cooling rate is an important parameter affecting physical properties; furnace temperature uniformity needs multi-point temperature measurement guarantee.

Production & Quality PTFE;sintering deformation;holding;cooling rate;crystallinity;furnace temperature

Q

PTFE Compression Molding Discoloration and Dents

A

Tracing PTFE discoloration and dents must consider both raw material purity and pressing method; double-side pressing is the structural guarantee of uniformity; operational cleanliness is detail management.; After confirming effectiveness, fix the parameters and practices into the work instructio...

Production & Quality PTFE;discoloration;dent;impurities;double-side pressing;feeding

Q

PSU Vacuum Metallization High-Gloss Appearance

A

Vacuum metallization gives PSU a mirror appearance, and its heat-resistant foundation far exceeds ordinary plastics; 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 trouble...

Production & Quality vacuum metallizationmirrorheat resistancelighting

Q

PSU Failure Under High-temperature Sterilization

A

The sterilization resistance of PSU medical parts requires cyclic verification; grade selection and process quality jointly determine life; parameter specification is a basic requirement.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent ...

Production & Quality PSU; sterilization; medical; thermal cycling; grade; verification

Q

PPS Microwave Food Containers

A

PPS food containers take the high-end durable route; microwave tolerance is the core value, and cost determines the market boundary; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Production & Quality PPS; microwave; food container; high-temperature resistance; compliance

Q

PPSU food contact compliance

A

PPSU food contact is an advantageous application; grade and certification match; archive management handles audits.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Production & Quality PPSU; food contact; FDA; transparent; compliance; certification

Q

PPO Dimensional Change After Water Absorption

A

Although PPO water absorption of 0.14% is small, precision fits must still account for it; 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 prob...

Production & Quality water absorptiondimensional changeprecision fithumid heat

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