المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

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Unstable PVA extrusion feeding

Extrusion & Post PVA feedingbridgingloss-in-weight feedergranulationfeed screw

Poor printing adhesion of PVA film

Extrusion & Post PVA filmprinting adhesioncorona treatmentdedicated inksurface tension

PVA extruded film thick at edges and thin in the middle

Molding Process PVA filmthickness distributioncoat-hanger diegap fine-tuningedge effect

Uneven color when PVA is mixed with color masterbatch

Color masterbatch carrier matching and full dispersion are the key to color uniformity

Injection Molding PVA coloringcolor masterbatchcarrier compatibilitypigment dispersioncolor streaks

Rough surface of PVA extrusion

Extrusion & Post PVA extrusionsurface roughnessdie polishingextrusion temperaturemelt elasticity

Severe screw wear of PVA extruder

Extrusion & Post PVA extrusionscrew wearnitrided screwfiller frictionbimetallic screw

Oil spots on PVA injection molded products

Injection Molding PVA injection oil spots mold release agent lubricant precipitation mold sealing

Low weld line strength in PVA '2079851475616104452

Injection Molding PVA injection weld line insufficient entanglement injection temperature overflow groove

Insufficient flow length ratio in PVA '2079851475616104452

Injection Molding PVA injection flow length ratio melt viscosity injection temperature flow aid

Material sticking to sizing sleeve of PVA extruded pipe

Molding Process PVA pipe sizing sleeve sticking polishing lubricating water elastomer adhesion

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