Problem & Solution

Practical answers to common plastic material challenges

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DSTDP extrusion melt fracture

Extrusion & Post DSTDP extrusionmelt fractureelastic recoverydie L/Dextrusion rate

Internal Delamination Cracking of CMC

Extrusion & Post CMCinternal delaminationinterfacial adhesioncompatibilizeruniform cooling

Snakeskin Pattern on CMC Surface

Extrusion & Post CMCsnakeskin patternextrusion temperatureelastic recoverydie temperature control

CMC Screw Slippage

Screw slippage is caused by premature melting; cooling the feeding section is the key

Extrusion & Post CMCscrew slippagefeeding section temperaturepremature meltingflight deepening

Large Dimensional Change of CMC with Temperature

Extrusion & Post CMCdimensional temperature sensitivitythermal expansion coefficientrigid fillerannealing treatment

Material Overflow at CMC Vacuum Vent Section

Overflow is caused by low melt viscosity; temperature reduction and baffle are the key

Extrusion & Post CMCvacuum section overflowmelt viscositytemperature reductionvent baffle

Dense Surface Pits of CMC

Extrusion & Post CMCsurface pitsimpurity particlesmold repairraw material purity

Out-of-Roundness of CMC Extruded Pipe Exceeding Standard

Extrusion & Post CMC pipeout-of-roundnessannular coolingvacuum sizinguniform haul-off

Large Current Fluctuation of CMC Extruder

Extrusion & Post CMC extrusioncurrent fluctuationtemperature control accuracyscrew designfeeding stability

Gel Particles in CMC Extruded Film

Extrusion & Post CMC filmgel particlesmelting temperaturemixing sectionhigh-molecular-weight components

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