المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

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Large fluctuation of PVA impact strength

Molding Process PVAimpact fluctuationdispersed phase particle sizenucleating agentprocessing stability

Poor PVA antistatic effect

Molding Process PVAantistaticantistatic agentsurface resistancemigration rate

Large PVA compression set

Molding Process PVAcompression setcrosslinking degreeelastic recoveryreinforcing filler

PVA surface stress whitening

Molding Process PVAstress whiteningorientation stressannealing treatmentstress concentration

Coarse internal crystallization of PVA

Molding Process PVAcoarse crystallizationspherulite refinementnucleating agentcooling rate

PVA extruded film thick at edges and thin in the middle

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

Material sticking to sizing sleeve of PVA extruded pipe

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

PU hardness too low

Molding Process PU low hardness rigid filler plasticizer crystallization control

Large fluctuation of PU impact strength

Molding Process PU impact fluctuation dispersed phase particle size nucleating agent processing stability

PU processing temperature fluctuation

Molding Process PU temperature fluctuation PID tuning heater band thermocouple

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