Problema y solución

Respuestas prácticas a los desafíos comunes de los materiales plásticos

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Bubbles inside the product (pinholes)

In summary, the causes of the "Bubbles inside the product (pinholes)" problem can be attributed to the combined action of multiple factors such as Air entrapped in the powder not discharged, Bubbles not eliminated during the melting process. Solving this problem requires starting from aspects suc...

Material Drying Bubbles inside the product (pinholes) rotational molding resin characteristics

Insufficient mechanical properties of the product

In summary, the causes of the "Insufficient mechanical properties of the product" problem can be attributed to the combined action of multiple factors such as Insufficient wall thickness, Improper material selection. Solving this problem requires starting from aspects such as Increase the wall th...

Material Drying Insufficient mechanical properties of the product '2079851475616104458 material selection wall thickness control stretch ratio

Product brittle cracking in low-temperature environments

In summary, the causes of the "Product brittle cracking in low-temperature environments" problem can be attributed to the combined action of multiple factors such as Poor low-temperature toughness of the material, Wall thickness too thin. Solving this problem requires starting from aspects such a...

Material Drying Product brittle cracking in low-temperature environments '2079851475616104458 material selection wall thickness control toughness improvement

Poor product transparency

In summary, the causes of the "Poor product transparency" problem can be attributed to the combined action of multiple factors such as Impure sheet raw material, Mold surface not smooth. Solving this problem requires starting from aspects such as Use high-transparency sheets, Polish the mold and ...

Material Drying Poor product transparency '2079851475616104458 temperature control mold design raw material management

Water vapor marks on the product surface

In summary, the causes of the "Water vapor marks on the product surface" problem can be attributed to the combined action of multiple factors such as Condensation water on the mold surface, Water in the compressed air. Solving this problem requires starting from aspects such as Increase the mold ...

Material Drying Water vapor marks on the product surface '2079851475616104458 mold design surface quality

Water marks in the sheet (bubbles)

In summary, the causes of the "Water marks in the sheet (bubbles)" problem can be attributed to the combined action of multiple factors such as Moisture content of the sheet too high during sheet production, Poor venting during sheet extrusion. Solving this problem requires starting from aspects ...

Material Drying Water marks in the sheet (bubbles) '2079851475616104458 venting design

Decrease of PET raw material intrinsic viscosity (IV)

In summary, the causes of the "Decrease of PET raw material intrinsic viscosity (IV)" problem can be attributed to the combined action of multiple factors such as Insufficient drying causing hydrolysis, Processing temperature too high causing thermal degradation. Solving this problem requires sta...

Material Drying Decrease of PET raw material intrinsic viscosity (IV) stretch '2079851475616104457 temperature control raw material management drying treatment

Insufficient bottle body burst pressure

In summary, the causes of the "Insufficient bottle body burst pressure" problem can be attributed to the combined action of multiple factors such as Uneven wall thickness, Insufficient bottle bottom strength. Solving this problem requires starting from aspects such as Improve wall thickness unifo...

Material Drying Insufficient bottle body burst pressure stretch '2079851475616104457 pressure adjustment material selection wall thickness control

Condensation water marks appearing on the bottle body surface

In summary, the causes of the "Condensation water marks appearing on the bottle body surface" problem can be attributed to the combined action of multiple factors such as Mold temperature below the dew point, Cooling water leakage. Solving this problem requires starting from aspects such as Incre...

Material Drying Condensation water marks appearing on the bottle body surface stretch '2079851475616104457 temperature control cooling process mold design

Preform yellowing and discoloration

In summary, the causes of the "Preform yellowing and discoloration" problem can be attributed to the combined action of multiple factors such as Melt temperature too high, Long residence time. Solving this problem requires starting from aspects such as Reduce the melt temperature, Shorten the res...

Material Drying Preform yellowing and discoloration stretch '2079851475616104457 temperature control raw material management

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