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Problem & Solution

Practical answers to common plastic material challenges

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11636 questions
Q
DSTDP extrusion rough surface
A
Rough surface is caused by low-temperature extrusion and die defects; raising temperature and polishing the die are the core countermeasures
Extrusion & Post DSTDP extrusionrough surfacedie polishingextrusion temperaturemelt elasticity
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Q
DSTDP extruder screw severe wear
A
Screw wear is caused by filler friction and adhesion; wear-resistant screw and temperature control are key
Extrusion & Post DSTDP extrusionscrew wearnitrided screwfiller frictionbimetallic screw
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Q
DSTDP injection molded product oil spots
A
Oil spots are caused by external sources of release agent and lubricant; reducing release agent and sealing mold lubrication are key
Injection Molding DSTDP injectionoil spotsmold release agentlubricant exudationmold sealing
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Q
DSTDP and color masterbatch mixing uneven color
A
Color masterbatch carrier matching and sufficient dispersion are the key to color uniformity
Injection Molding DSTDP coloringcolor masterbatchcarrier compatibilitypigment dispersioncolor streaks
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Q
DSTDP extruded film longitudinal streaks
A
Q
DSTDP injection insufficient flow length ratio
A
Insufficient flow length ratio is caused by DSTDP high viscosity; high temperature, high pressure and large gate are key
Injection Molding DSTDP injectionflow length ratiomelt viscosityinjection temperatureflow aid
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Q
DSTDP film poor print adhesion
A
Poor print adhesion is caused by insufficient surface polarity; corona treatment and special ink are key
Extrusion & Post DSTDP filmprint adhesioncorona treatmentspecial inksurface tension
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Q
DSTDP extruded profile bending deformation
A
Profile bending is caused by uneven cooling and uneven flow rate; uniformization and alignment are the key to solution
Extrusion & Post DSTDP extrusionbending deformationuniform coolinguniform flow ratesizing sleeve
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Q
DSTDP injection severe flash
A
Flash is caused by high-pressure injection and mold gap; reducing pressure and improving mold fitting are key
Injection Molding DSTDP injectionflashclamping forceparting lineinjection pressure
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Q
DSTDP film blocking, difficult to delaminate
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