المشاكل والحلول

Q

Rough surface/exposed fiber texture

A

Surface defects are the result of the combined action of mold condition, process parameters, and material formulation; each factor must be systematically investigated and targeted optimization performed.

Molds & Tooling fiber demolding rough surface exposed fiber texture

Q

Sticky surface (incomplete curing)

A

The core of poor curing problems is that chemical reaction conditions do not meet requirements; formulation ratios and curing process parameters need to be precisely controlled.

Molds & Tooling curing agent catalyst curing time hot pressing demolding

Q

Chemical foaming agent residue causing acid corrosion

A

This problem requires comprehensive analysis from multiple dimensions of materials, processes, equipment, and operation, and should be solved by systematically optimizing process parameters and the quality control system.

Molds & Tooling insert chemical foaming agent residue causing acid corrosion process optimization

Q

Continuous foamed board shows "sharkskin" surface

A

Surface defects are the result of the combined action of mold condition, process parameters, and material formulation; each factor must be systematically investigated and targeted optimization performed.

Molds & Tooling continuous foamed board shows sharkskin surface

Q

Abnormal shrinkage rate of EPP molded products after demolding

A

The core of shrinkage defects lies in the contradiction between material curing volume change and insufficient process compensation, which requires comprehensive control through formulation optimization and process adjustment.

Molds & Tooling cooling rate EPP shrinkage rate demolding

Q

Hollow phenomenon (no foam in product core)

A

This problem requires comprehensive analysis from multiple dimensions of materials, processes, equipment, and operation, and should be solved by systematically optimizing process parameters and the quality control system.

Molds & Tooling heat release hollow phenomenon no foam in product core

Q

Flow marks on foamed product surface (snakeskin pattern)

A

Surface defects are the result of the combined action of mold condition, process parameters, and material formulation; each factor must be systematically investigated and targeted optimization performed.

Molds & Tooling flow marks on foamed product surface snakeskin pattern process optimization

Q

Rigid foam shrinkage after demolding causing peeling from substrate

A

The core of shrinkage defects lies in the contradiction between material curing volume change and insufficient process compensation, which requires comprehensive control through formulation optimization and process adjustment.

Molds & Tooling shrinkage rate demolding rigid foam shrinkage after demolding causing peeling from substrate

Q

Excessive compression set

A

Deformation problems originate from internal stress caused by uneven shrinkage or heating in various parts of the product, and need to be systematically solved from three aspects: structural design, process parameters, and post-treatment.

Molds & Tooling compression set deformation density open cells crosslinking

Q

Improper EPP steam pressure

A

This problem requires comprehensive analysis from multiple dimensions of materials, processes, equipment, and operation, and should be solved by systematically optimizing process parameters and the quality control system.

Molds & Tooling EPP pressure control deformation

المشاكل والحلول

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