Problema y solución

Respuestas prácticas a los desafíos comunes de los materiales plásticos

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Q

PVDF Film Processing and Pore Control

A

The soul of PVDF membranes lies in the pore structure; process parameters must be controlled in an online closed loop; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post water treatment membranebattery separatorporositystretching

Q

PVDF Extrusion Gel Particles and Gels

A

Gel particles and gels originate from stagnation and crosslinking; screw optimization plus filtration is applied together; 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 t...

Extrusion & Post gel particlesgelsscreen meshstagnation

Q

PVDF Flame Retardant Grade Scorch and Dead Spots

A

Flame retardant PVDF fears dead spot stagnation; equipment cleaning and structural modification must come first; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post flame retardant gradescorchdead spotscleaning

Q

PVDF Extrusion Shrinkage and Retraction and Cooling Water Temperature

A

Warm water cooling is the key to preventing PVDF retraction; rapid cooling instead amplifies dimensional drift; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post shrinkage and retractioncooling water temperaturedimensional stabilityhaul-off

Q

PVDF Extrusion Cable Temperature Profile Setting

A

Cable extrusion uses an ascending temperature profile; raising the die to 260℃ for gloss must be premised on short residence; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post extrusion temperaturecableascending profilescorch

Q

PVDF Die Buildup and Drool

A

Die buildup is treated with special aids plus die temperature control; die cleaning only treats 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 reference for troubleshootin...

Extrusion & Post die buildupdroolextrusion aidprecipitation

Q

PVDF Extrusion Melt Fracture Sharkskin

A

Sharkskin is eradicated with special PPA aids; speed reduction is only a stopgap measure; 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 troubleshooting similar problems i...

Extrusion & Post melt fracturesharkskinprocessing aidspeed increase

Q

PVDF Weld Line Weak Strength

A

PVDF weld lines rely on temperature to promote fusion plus structural avoidance; pressure-bearing parts must be checked at weld positions; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post weld linemulti-gatepressure resistanceconfluence

Q

PVDF Product Weather Resistance Application

A

PVDF weather resistance is top-level; processing protection is the prerequisite for realizing it.; 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 troubleshooting similar p...

Extrusion & Post PVDF;weather resistance;outdoor;aging;grade;degradation

Q

PVDF Extrusion Melt Fracture

A

Melt fracture is shear instability.; 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 troubleshooting similar problems in the future

Extrusion & Post PVDF;extrusion;melt fracture;sharkskin;die;shear

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