Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

PSU vs PESU/PEI Material Selection Comparison

A

Sulfone material selection is ranked by increasing strength and chemical resistance, PESU is the transparent high-strength answer; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Blow Molding material selectionPESUPEItransparency

Q

PSU Melt Residence and Preheating Stability

A

PSU residence time must be managed; interruption and restart follow standard operations to ensure stability; 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 troublesh...

Material Drying residence time preheating stability shutdown

Q

Mold Maintenance for Long-term High-temperature PSU Processing

A

PSU molds serve long-term at high temperature; a regular overhaul system preserves accuracy; 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 p...

Molds & Tooling mold maintenance high-temperature wear regular inspection accuracy

Q

PSU Mold Sticking and Demolding Management

A

PSU sticking relies on the dual means of hot mold plus release agent; mold wear needs regular repair; 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 ...

Molds & Tooling mold sticking release agent mold temperature mold wear

Q

Comprehensive Troubleshooting of PSU Product Cracks

A

PSU cracks have intertwined causes; first anneal to identify stress, then check demolding and structure; 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 troubleshooti...

Molds & Tooling cracks internal stress demolding ejector pins

Q

PSU Injection Pressure and Filling Time

A

PSU needs high-pressure fast filling; 58MPa-level pressure paired with 1.5-second rhythm; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence

Injection Molding injection pressure filling time short shot flash

Q

PSU Hopper Drying System Requirements

A

Hopper drying depends on pellet temperature 135°C and dew point -40°C; insulation and air leakage are hidden wounds; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence

Material Drying hopper drying dew point insulation pellet temperature

Q

PSU Extrusion Silver Streaks, Bubbles and Drying Level

A

Extrusion moisture 0.01% is 1/5 of '2079851475616104452; drying level must be upgraded; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence

Material Drying PSU extrusion moisture content bubbles profiles

Q

PSU Transparency and Coloring

A

For PSU coloring, first select the natural color grade; colorant heat resistance of 350°C is the threshold; 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 troublesho...

Processing Machinery transparency coloring amber color heat resistance

Q

PSU Long-term Use Temperature

A

175°C is the PSU long-term performance line; over-temperature service requires switching to PESU or PEI; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence

Material Analysis long-term use temperature Tg creep selection

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