Problem & Solution

Practical answers to common plastic material challenges

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Q

PTFE Excessive Porosity

A

PTFE porosity is the common enemy of mechanical strength and sealing performance; degassing and compaction are the two lines of defense for prevention; lubricant management is a unique subject of paste extrusion.

Extrusion & Post PTFE;porosity;voids;compaction;degassing;sintering

Q

PSU Post-Processing Process Adaptation

A

PSU post-processing is a full package, from ultrasonic welding to laser marking; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future

Extrusion & Post post-processingultrasonic weldinglaser markingmachining

Q

PESU Extrusion Temperature and Forms

A

PESU extrusion starts at 310-340℃, with the 420℃ decomposition temperature leaving a margin; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post PESU extrusionsheetprofiletemperature

Q

PESU UV Resistance Shortcoming and Protection

A

PESU's fear of UV is its nature, for outdoor applications choose either modification or coating; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar pro...

Extrusion & Post PESU weather resistanceUVcoatingoutdoor

Q

PSU Annealing Process for Stress Relief

A

150°C×2-4h annealing is a standard action for PSU stress management and cannot be omitted; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence

Extrusion & Post annealing 150°C solvent crazing dimensional stability

Q

PSU Composite Material Interface

A

The PSU composite material interface is the key to success; treatment and process are both emphasized; test verification is indispensable.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence

Extrusion & Post PSU; composite material; interface; delamination; compatibility; testing

Q

PSU Film Forming

A

PSU film is a high-end application; process stability determines feasibility; online control is a necessary investment.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence

Extrusion & Post PSU; film; extrusion; thickness; optics; online

Q

PSU Extrusion Molding Defects

A

PSU extrusion has clear temperature and rotation speed specifications; high-viscosity materials require dedicated equipment; the process window is set according to material characteristics.; After confirming effectiveness, solidify the parameters and practices into the work instructions to preven...

Extrusion & Post PSU; extrusion; sheet; pipe; die; rotation speed

Q

Uneven Density of PS Foam Board

A

The density uniformity of foam board relies on the dual stability of formulation and process.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence; Include this case in the defect archive as a reference for troubleshooting similar...

Extrusion & Post PS; foaming; XPS; density; blowing agent; extrusion

Q

PS Product Printing Adhesion

A

PS printing depends on ink matching; a dedicated system is the key to success.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence; Include this case in the defect archive as a reference for troubleshooting similar problems in th...

Extrusion & Post PS; printing; adhesion; ink; surface treatment

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