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Q

Product defects caused by excessive moisture content in random copolymer polypropylene raw material

A

Excessive raw material moisture content is solved by full drying; a complete drying and storage management system needs to be established.

Material Drying moisture contentdryingsilver streakbubblesmoisture-proof storage

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Q

Insufficient impact strength of random copolymer polypropylene injection molded products

A

Insufficient impact strength is usually caused by excessive internal stress or material degradation and needs to be addressed from temperature parameters, drying and regrind control.

Material Drying impact strengthinternal stressmolecular orientationmaterial degradationregrind control

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Q

Bubbles/voids appearing on the surface of random copolymer polypropylene injection molded products

A

Bubbles and voids are mainly caused by moisture vaporization, gas entrainment or insufficient shrinkage compensation and need to be systematically solved from raw '2079851475616104451, injection process and holding pressure parameters.

Material Drying bubblesvoidsraw '2079851475616104451holding pressuremulti-stage injection

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Q

Silver streaks/material flowers appearing on the surface of random copolymer polypropylene injection molded products

A

Silver streaks are mainly caused by raw material moisture, thermal degradation or poor venting and need to be systematically investigated from three aspects: raw '2079851475616104451, temperature control and mold venting.

Material Drying silver streakmaterial flowerraw '2079851475616104451thermal degradationmold venting

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Q

Bubbles/voids appearing on the surface of random copolymer polypropylene injection molded products (variant: strengthened measures)

A

Bubbles and voids are mainly caused by moisture vaporization, gas entrainment or insufficient shrinkage compensation and need to be systematically solved from raw '2079851475616104451, injection process and holding pressure parameters. In different production scenarios, targeted preventive measur...

Material Drying bubblesvoidsraw '2079851475616104451holding pressuremulti-stage injection

2 görüntüleme

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Q

Silver streaks/material flowers appearing on the surface of random copolymer polypropylene injection molded products (variant: strengthened measures)

A

Silver streaks are mainly caused by raw material moisture, thermal degradation or poor venting and need to be systematically investigated from three aspects: raw '2079851475616104451, temperature control and mold venting. In different production scenarios, targeted preventive measures need to be ...

Material Drying silver streakmaterial flowerraw '2079851475616104451thermal degradationmold venting

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Q

Defects caused by insufficient drying before processing of homopolymer polypropylene homopolymer polypropylene

A

Insufficient drying is a common source of processing defects; a complete drying system and moisture content inspection system needs to be established.

Material Drying raw '2079851475616104451moisture contentsilver streakbubblesdehumidifying drying

3 görüntüleme

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Q

Bubbles/pores on the surface of homopolymer polypropylene extruded products

A

Bubbles are caused by moisture vaporization or gas entrainment; they need to be solved from raw '2079851475616104451 and the venting system.

Material Drying bubblesporesraw '2079851475616104451ventingvolatiles

3 görüntüleme

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Q

Product defects caused by moisture content of homopolymer polypropylene raw material exceeding standard

A

Raw material moisture content exceeding standard is solved by full drying; a complete drying and storage management system needs to be established.

Material Drying moisture contentdryingsilver streakbubblesmoisture-proof storage

2 görüntüleme

Tam Yanıtı Oku →

Q

Insufficient impact strength of homopolymer polypropylene injection products

A

Insufficient impact strength is usually caused by excessive internal stress or material degradation; it needs to be addressed from temperature parameters, drying, and regrind control.

Material Drying impact strengthinternal stressmolecular orientationmaterial degradationregrind control

2 görüntüleme

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