Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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PET preforms turn yellow during storage

PET preform quality management during storage is an important link in the supply chain.

Production & Quality PETpreformstorage yellowingthermal historyoxidation

High residual monomer content in PET '2079851475616104452

Injection Molding PETresidual monomersethylene glycolterephthalic acid

Oil and water in compressed air for PET bottle blowing

Material Drying PETcompressed airoil and water contaminationdryer

Barrel corrosion of PET '2079851475616104452 machine

Flame retardant PET processing needs to be matched with corrosion-resistant equipment.

Injection Molding PETbarrel corrosionflame retardanthalogenacidic gas

Cloudy marks on the surface of PET injection molded parts

PET surface cloudy marks originate from contaminants, moisture or additive migration.

Material Drying PETcloudy marksmold contaminationmoisturerelease agent

Uneven PET chemical foaming

Molds & Tooling PETchemical foaminguneven cellsblowing agent

Delamination of PET barrier bottles

Material Drying PETmulti-layer co-injectiondelaminationbarrierinterlayer bonding

Poor hot runner balance in PET '2079851475616104452

Injection Molding PEThot runnerbalancemulti-cavityflow resistance

Deformation of PET bottles during microwave heating

Molding Process PETmicrowave heatingdeformationglass transition temperature

Large amount of smoke during PET '2079851475616104452

Material Drying PETsmokemoistureoligomersventilation

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