Problem & Solution

Practical answers to common plastic material challenges

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Q

TPU product microbial attack

A

Microbial attack is a specific environmental risk; material selection can fundamentally solve it; 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 similar pr...

Molds & Tooling TPU；microbial；attack；polyether-type；environment；selection

Q

TPU product hydrolysis resistance selection

A

Hydrolysis resistance selection is the first decision for humid environment applications; polyether-type is the standard answer; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying TPU；hydrolysis resistance；polyether-type；polyester-type；humid；selection

Q

TPU product low-temperature hardening

A

For low-temperature applications, select materials according to the grade's low-temperature performance; test verification is indispensable; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as...

Processing Machinery TPU；low temperature；hardening；elasticity；grade；testing

Q

TPU product high-temperature deformation

A

TPU heat resistance has a material upper limit; high-temperature applications require special selection; 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 sim...

Processing Machinery TPU；high temperature；deformation；heat resistance；grade；aging

Q

TPU product batch color difference

A

Batch color difference relies on stable metering and temperature control; testing and release are the guarantee; 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...

Processing Machinery TPU；color difference；batch；color masterbatch；metering；testing

Q

TPU product static dust attraction

A

Static electricity management relies on both environmental and material means; 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 similar problems later

Material Drying TPU；static electricity；dust attraction；ionized air；humidity；antistatic

Q

TPU product paint peeling

A

TPU coating requires a clean surface and matching paint type; elastic substrates need flexible coatings; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post TPU；spraying；paint peeling；adhesion；elastic paint；cleaning

Q

TPU product poor bonding

A

TPU bonding relies on surface treatment; special primers are a common solution; 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 similar problems later

Processing Machinery TPU；bonding；surface treatment；primer；adhesive；strength

Q

TPU product stress cracking

A

For TPU stress cracking check stress and media; use environment assessment should be done in advance; 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 simila...

Processing Machinery TPU；stress cracking；internal stress；medium；solvent；structure

Q

TPU product cold slug marks

A

Cold slug marks rely on cold slug wells for interception; nozzle temperature management is a preventive means; 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 f...

Molds & Tooling TPU；cold slug mark；nozzle；cold slug well；temperature；gate

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