Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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PET Preform Surface Scratches

Molds & Tooling PET; preform; scratch; mold; guide rail; appearance

PET Acetaldehyde AA Content Exceeding Standard

Molds & Tooling PET; acetaldehyde; AA; thermal degradation; odor; food safety

PET Bottle Improper Mold Temperature

Mold temperature 10~15℃ is the standard window.

Molds & Tooling PET; bottle blowing; mold temperature; bottle sticking; chiller

PET Preform Surface Flow Marks

Flow marks = melt front.

Molds & Tooling PET; preform; flow mark; hot runner; speed

PET Preform Weld Line

Preform weld line = weak band in blowing.

Molds & Tooling PET; preform; weld line; venting; hot runner

PET Heat-Resistant Bottle (Hot Filling) Deformation

Hot filling = special heat-resistant process; ordinary bottles cannot be substituted.

Molds & Tooling PET; hot filling; heat setting; shrinkage; heat resistance

PET Preform Flash

Flash = clamping and pressure.

Molds & Tooling PET; preform; flash; clamping; holding pressure

PET Preform Stringing

Stringing = gate temperature and timing.

Molds & Tooling PET; preform; stringing; hot runner; valve pin

PET Bottle Single Cavity Abnormality

Molds & Tooling PET; bottle blowing; mold cavity; cooling water channel; mold temperature

PESU Runner System

Molds & Tooling PESU; runner; short and thick; balance; pressure; efficiency

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