Problema y solución

Respuestas prácticas a los desafíos comunes de los materiales plásticos

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EVOH injection flash is severe

Injection Molding EVOH injection flash clamping force parting line injection pressure

EVOH film blocking and delamination difficulty

Extrusion & Post EVOH film blocking antiblocking agent winding temperature erucamide

EVOH extruded film thickness uniformity is poor

Extrusion & Post EVOH film thickness uniformity die design extrusion swell air ring cooling

EVOH extrusion dimensions are unstable

Extrusion & Post EVOH extrusion dimensional stability feeding control temperature PID traction synchronization

EVOH film heat shrinkage rate is too large

Extrusion & Post EVOH film heat shrinkage orientation release annealing treatment biaxial stretching

EVOH injection warpage deformation

Injection Molding EVOH injection warpage shrinkage rate holding pressure annealing treatment

EVOH injection gate freezes too early

Injection Molding EVOH injection gate freezing holding pressure transmission gate size mold temperature

EVOH injection mold venting burnt

Injection Molding EVOH injection mold burning vent groove injection speed air compression

EVOH extrusion die drool carbon deposits

Extrusion & Post EVOH extrusion die carbon deposit PE flushing stagnation zone thermal oxidation

EVOH barrier property decreases after moisture absorption

Material Drying EVOH moisture absorption barrier property decrease OTR sandwich structure humidity protection

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