Problem & Solution

Practical answers to common plastic material challenges

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Q

Crystallization of Precipitates in the Die Heating Section of the Melt

A

This problem is a typical manifestation of crystallization of precipitates in the die heating section of the melt in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) an...

Extrusion & Post coating exudation and powderingformulation compatibilitysufficient curingUV stabilizerweather resistance

Q

Melt Expansion Leakage at the Flange Between the Die and the Head

A

This problem is a typical manifestation of melt expansion leakage at the flange between the die and the head in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and pre...

Extrusion & Post melt expansion leakage at the flange between the die and the headtemperaturepressurematerial

Q

Die Self-wearing During Extrusion of Highly Filled Materials

A

This problem is a typical manifestation of die self-wearing during extrusion of highly filled materials in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precisio...

Extrusion & Post die self-wearing during extrusion of highly filled materialsmoldmaterial

Q

Extrusion Output Varies with Screw Rotation Direction

A

This problem is a typical manifestation of extrusion output varying with screw rotation direction in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision corr...

Extrusion & Post die buildupdie lip hang-updie temperatureadditive exudationflow channel dead corners

Q

Dynamic Fatigue Cracking of Profiles

A

This problem is a typical manifestation of dynamic fatigue cracking of profiles in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the die/...

Extrusion & Post internal stresscooling ratedraw ratioannealing treatmentmolecular orientation

Q

Dielectric Breakdown of Pipes Under High-frequency Electric Fields

A

This problem is a typical manifestation of dielectric breakdown of pipes under high-frequency electric fields in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and pr...

Extrusion & Post screen blockageraw material cleanlinessfilter mesh countgel particlesautomatic screen changing

Q

Abnormal Mold Fouling of Silicone Rubber

A

This problem is a typical manifestation of abnormal mold fouling of silicone rubber in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of the ...

Extrusion & Post abnormal mold fouling of silicone rubbermold

Q

Axial Strength Delamination Cracking of Pipes

A

This problem is a typical manifestation of axial strength delamination cracking of pipes in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of...

Extrusion & Post axial strength delamination cracking of pipestemperaturepressure

Q

Periodic Discoloration Sections of Extrudates

A

This problem is a typical manifestation of periodic discoloration sections of extrudates in extrusion molding. The core of the solution lies in eliminating the root cause of the defect through systematic optimization of process parameters (temperature, speed, pressure) and precision correction of...

Extrusion & Post recycled material qualitybatch differencesmolecular weight reductionimpurity contaminationgraded management

Q

Cracking of the Inner Wall of Pipes

A

The essence of coating cracking is that the internal stress exceeds the fracture toughness of the coating. The core of the solution is "stress reduction + toughening": control the coating thickness to avoid excessive stress accumulation, adopt mild curing conditions to allow stress relaxation, ad...

Extrusion & Post coating crackingshrinkage rate differencecoating thicknesscuring conditionstoughening agent

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