Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Large EAA dimensional change with temperature

Extrusion & Post EAAdimensional temperature sensitivitythermal expansion coefficientrigid fillerannealing treatment

EAA hardness too high

Material Analysis EAAhigh hardnesscrystallinityfiller amountplasticizer

EAA surface tiger stripe pattern

Injection Molding EAAtiger stripe patterninjection speedmulti-stage injectionmold temperature control

Low EAA elongation at break

Material Analysis EAAelongation at breakmolecular weightorientation controlcrosslinking degree

Large EAA compression set

Molding Process EAAcompression setcrosslinking degreeelastic recoveryreinforcing filler

EAA surface blooming

Production & Quality EAAbloominglow molecular migrationhigh molecular weightlubricant precipitation

EAA surface stress whitening

Molding Process EAAstress whiteningorientation stressannealing treatmentstress concentration

Fast EAA thermal aging

Thermal aging is caused by thermal oxidation; improving the antioxidant system is key

Material Analysis EAAthermal agingthermal oxidationantioxidanthigh molecular weight

Insufficient EAA mixing

Processing Machinery EAAinsufficient mixingscrew mixing sectionkneading blocksside feeding

Poor EAA fatigue resistance

Production & Quality EAAfatigue resistancecrosslinking degreemolecular weightstress concentration

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