Problem & Solution

Practical answers to common plastic material challenges

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Q

COC In-mold Decoration Delamination

A

The success or failure of COC in-mold decoration lies in the matching of the film material system; IMD of low surface energy materials requires dedicated schemes; interface verification is more reliable than appearance inspection.; After confirming effectiveness, fix the parameters and practices ...

Extrusion & Post COC; IMD; delamination; decorative film; interface; bonding force

Q

COC Multilayer Co-extrusion Poor Interface

A

COC multilayer structures must be designed with a tie layer; interlayer bonding force relies on material matching rather than forced process adjustment; the co-extrusion temperature window must take into account the characteristics of each layer.; After confirming effectiveness, fix the parameter...

Extrusion & Post COC; co-extrusion; interlayer peeling; tie layer; barrier; packaging

Q

COC and PC Blending Delamination

A

COC's poor blending compatibility is the nature of the material; recycled material isolation management is the first line of defense; compatibilizer schemes must be verified by experiments and cannot be taken for granted.; After confirming effectiveness, fix the parameters and practices into the ...

Extrusion & Post COC; delamination; blending; compatibility; recycled material; interface

Q

COC Extruded Sheet Gel Particles

A

COC optical sheet gel particle prevention and control consists of three lines of defense: raw material, filtration and equipment; intermittent defects mostly originate from accumulated material in dead spots; screen management is a low-cost, high-yield measure.

Extrusion & Post COC; gel particle; extrusion; sheet; screen; gel

Q

COC Bonding Assembly Difficulty

A

COC bonding difficulty originates from low-polarity surface, activation treatment is the standard pre-process; treatment timeliness management is often overlooked; adhesive system needs compatibility verification with the medium environment.

Extrusion & Post COC; bonding; plasma; surface energy; adhesion; timeliness

Q

ASA Deformation Recurrence After Annealing

A

ASA annealing temperature is delicate work, both insufficient and excessive fail; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems

Extrusion & Post annealing deformation recurrence temperature window slow cooling

Q

ASA Extrusion Melt Fracture

A

ASA extrusion sharkskin relies on temperature reduction, speed matching and polishing; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar pr...

Extrusion & Post melt fracture sharkskin die shear

Q

ASA Extruded Sheet Surface Defects

A

ASA sheet surface relies on three stabilities of die, melt temperature, three-roll; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems

Extrusion & Post extruded sheet surface die three-roll

Q

ASA FDM Interlayer Delamination

A

ASA printing weak interlayer first raise temperature, chamber heat preservation and fan off; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent simi...

Extrusion & Post FDM interlayer temperature chamber fan

Q

ASA Door and Window Profile Application

A

ASA surface layer profiles resist sun without chalking, doors and windows go high-end; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar pr...

Extrusion & Post door and window profiles co-extrusion chalking high-end

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