Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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POM screw speed too fast overheating

Processing Machinery POM；screw speed；shear heat；melt temperature；decomposition

POM excessive back pressure degradation and discoloration

Processing Machinery POM；back pressure；shear heat；degradation；discoloration；plasticizing

POM product stains and color contamination

Processing Machinery POM；stains；contamination；foreign matter；material change；cleaning

POM product discoloration and scorch marks

Processing Machinery POM；discoloration；scorch marks；thermal decomposition；stagnant material；cleaning

POM product melt temperature actual measurement deviation

POM melt temperature must be actually measured.

Processing Machinery POM；melt temperature；shear heat；back pressure

POM nozzle freezing

Nozzle blockage = fast freezing.

Processing Machinery POM；nozzle；freezing；heater band

POM nozzle drooling

Drooling = nozzle temperature + suck-back.

Processing Machinery POM；drooling；nozzle；suck-back

POM and PVC cross-contamination risk

POM×PVC = dangerous combination, material change must be thorough.

Processing Machinery POM；PVC；cross-contamination；decomposition；material change

POM barrel residence decomposition

POM shutdown = immediate handling, delay means decomposition.

Processing Machinery POM；residence；decomposition；shutdown；purging

PMMA continuous load

Processing Machinery PMMAcreeploaddesign

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