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Practical answers to common plastic material challenges

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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 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 discoloration

A

Discoloration must distinguish degradation yellowing from masterbatch problems; temperature management and masterbatch verification are equally important; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery TPU；discoloration；yellowing；color masterbatch；degradation；color difference

Q

TPU product hardness deviation

A

For hardness abnormality check the material first and then the process; batch management is the foundation of stability; 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 r...

Processing Machinery TPU；hardness；deviation；batch；material mixing；testing

Q

TPU product wear resistance not up to standard

A

Wear resistance is a core performance of TPU; grade and process protection are equally important; 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...

Processing Machinery TPU；wear resistance；grade；degradation；hardness；testing

Q

TPU product surface oil gloss

A

Oil gloss points to additive exudation; temperature control and formulation confirmation are the solution path; 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；oil gloss；exudation；additive；temperature；formulation

Q

TPU recycled material use problems

A

TPU recycled material must be limited in quantity and use; re-drying is a necessary step before use; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery TPU；recycled material；ratio；drying；performance；management

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