Problem & Solution

Practical answers to common plastic material challenges

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EMA incompatible with lubricant

Lubricant incompatibility causes exudation; selecting compatible lubricant is key

Material Analysis EMA lubricant exudation compatibility internal lubricant dosage control

EMA length out of tolerance

Molds & Tooling EMA length out of tolerance shrinkage rate mold compensation sufficient cooling

EMA surface orange peel

Injection Molding EMA orange peel mold temperature holding pressure surface solidification

EMA vacuum vent overflow

Extrusion & Post EMA vacuum section overflow melt viscosity temperature reduction vent baffle

Severe EMA internal stress concentration

Injection Molding EMA internal stress orientation stress annealing treatment uniform cooling

Dense EMA surface pits

Extrusion & Post EMA surface pits impurity particles mold repair raw material purity

EMA flame retardancy not up to standard

Material Analysis EMA flame retardancy flame retardant compatibility masterbatch method

EMA stress cracking

Production & Quality EMA stress cracking environmental stress annealing treatment high molecular weight

EMA surface microcracks

Production & Quality EMA microcracks internal stress annealing treatment stress concentration design

Poor surface gloss of EMA

Molds & Tooling EMA gloss mold polishing crystallization scattering nucleating agent

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