Problem & Solution

Practical answers to common plastic material challenges

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Q

PVC Tensile Strength Decline After CPE Addition

A

A balance between toughness and strength is needed

Molding Process CPE strength

Q

Stress Whitening on CPE Product Surface

A

Stress whitening is a visible sign of excessive internal stress

Molding Process CPE stress whitening

Q

TPE Footwear Material Application

A

TPE footwear material is the balance of comfort and wear resistance; choose TPE for daily use and TPU for professional use, divided by scenario; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molding Process TPE; footwear material; comfort; wear resistance; SEBS

Q

PVDF Machining Chip Entanglement and Heat Dissipation

A

PVDF machining fears heat rather than cutting; sharp tools plus forced heat dissipation are the key; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molding Process machiningchip entanglementheat dissipationcutting fluid

Q

PVDF Temperature Upper Limit and Thermal Deformation

A

140-150℃ is PVDF's service ceiling; near the upper limit, material change or derating is required; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molding Process temperature upper limitcreeppressure bearingderating

Q

PVC Chemical Resistance Advantage

A

Chemical resistance is the foundation of PVC; for material selection in the fluid handling field, PVC is an answer verified over a hundred years; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molding Process PVC;chemical resistance;pipeline;valve;fluid

Q

PVC De-HCl Degradation Mechanism

A

PVC degradation is an autocatalytic chain reaction; once started it is irreversible and spreads with acceleration, prevention is the only effective strategy; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molding Process PVC; de-HCl; autocatalysis; chain degradation; heat stabilizer

Q

PVC Cable Compound Color Drift

A

PVC cable compound color difference = 'heat history management': PVC base color drifts with heat history, color matching should reserve for base color change; batch consistency is the lifeline of cable compound.

Molding Process PVC; cable compound; color difference; heat history; stabilizer

Q

PTFE Sintering Temperature Out of Control

A

The 360~400℃ window of PTFE sintering temperature is the process core; temperature uniformity needs equipment guarantee; the decomposition red line concerns safety.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molding Process PTFE;sintering temperature;360℃;decomposition;furnace temperature;calibration

Q

PTFE Poor Dimensional Stability

A

PTFE dimensional management must follow material characteristics rather than metal habits; the 10-fold thermal expansion difference is a communication point; measurement at use temperature is a pragmatic method.; After confirming effectiveness, fix the parameters and practices into the work instr...

Molding Process PTFE;dimensional stability;thermal expansion;tolerance;measurement;communication

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