Problem & Solution

Practical answers to common plastic material challenges

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Delamination or poor interface in K-RESIN and PS blended products

K-RESIN/PS blending needs to optimize ratio and compatibility

Extrusion & Post K resinPS blendinginterfacecompatibility

Unsatisfactory toughening effect of modified styrene-butadiene transparent resin (K resin)

Toughening effect needs to start from addition amount, compatibility, and dispersion

Material Analysis tougheningimpact strengthcompatibilitydispersion

Color difference/unstable color of high impact polystyrene ABS products

ABS color difference is caused by uneven pigment dispersion and process fluctuation.

Processing Machinery color differenceABScolor masterbatch dispersionprocessing temperaturemixing screw

Process fluctuation caused by raw material batch differences of high impact polystyrene

Material Drying batch differenceprocess fluctuationincoming inspectionmelt flow rateraw material storage

Poor electroplating/spraying adhesion of high impact polystyrene products

Thermoforming electroplating adhesionspraying adhesionsurface tensionsurface treatmentinternal stress

Unstable impact strength between batches of high impact polystyrene products

Impact strength stability depends on raw material consistency and process stability.

Material Analysis impact strengthbatch instabilityraw material inspectiontemperature controltest standards

Static electricity problems on the surface of high impact polystyrene products

Static electricity problems are caused by the high insulation of the material.

Molding Process static electricityantistatic agentvolume resistanceambient humiditysurface treatment

Aging/performance attenuation of high impact polystyrene products

Material Analysis agingultravioletthermo-oxidative degradationantioxidantweather resistance

Insufficient welding/weld strength of high impact polystyrene products

Welding strength is determined by melt fusion quality.

Material Drying welding strengthwelding temperaturewelding pressuresurface cleanlinessmelt fusion

Environmental stress cracking of high impact polystyrene products

Material Analysis environmental stress crackingresidual stresschemical mediaannealing treatmentuniform wall thickness

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