Problem & Solution

Q

Accelerated "aging yellowing" of polystyrene foam (EPS)

A

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

Processing Machinery EPS，polystyrene foam，aging yellowing，acceleration

Q

Jet filling defect appears in reaction '2079851475616104452 (RIM) foaming

A

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

Injection Molding reaction '2079851475616104452，foaming occurrence，jet filling defect

Q

Acoustic oscillation marks produced by the sizing die in extrusion foaming

A

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

Extrusion & Post produced by sizing die in extrusion foaming，acoustic oscillation，Process optimization

Q

Vulcanization/foaming desynchronization in rubber foaming

A

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

Processing Machinery rubber foaming，vulcanization，foaming，desynchronization

Q

Ester hydrolysis degradation appears in polylactic acid (PLA) foaming

A

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

Material Drying polylactic acid，foaming occurrence，ester hydrolysis degradation

Q

Low pass rate of flame-retardant flexible foam in "CIGARETTE TEST"

A

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

Processing Machinery flame retardant，density，polymerization，open cells

Q

Gas ring/bubble ring appears in PU integral skin foaming

A

The essence of this problem is that gas was not effectively removed during the foam '2079851475616104453; it needs to be solved coordinately from three aspects: degassing process, casting method, and venting design.

Material Drying bubbles，skin，integral skin foaming occurrence，gas ring

Q

Sour odor and metal corrosion appear in phenolic foam

A

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

Processing Machinery curing agent，phenolic foam occurrence，sour odor，and metal corrosion

Q

Hot spot arcing appears when foam products are heated in microwave

A

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

Processing Machinery foam products during microwave heating occurrence，hot spot arcing，Process optimization

Q

Saddle-shaped deformation of foamed beads (EPP/EPS)

A

The deformation problem originates from internal stress generated by uneven shrinkage or heating of various parts of the product; it needs to be systematically solved from three aspects: structural design, process parameters, and post-treatment.

Molds & Tooling EPS，EPP，deformation

Problem & Solution

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