Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Bubbles/pores on the surface of linear low density polyethylene extruded products (Variant: strengthened measures)

Bubbles are caused by moisture vaporization or gas entrainment; they need to be solved from raw '2079851475616104451 and the venting system. Targeted preventive measures need to be taken in different production scenarios.

Material Drying bubblesporesraw '2079851475616104451ventingvolatiles

Defects caused by insufficient drying before processing of linear low density polyethylene linear low density polyethylene (Variant: strengthened measures)

Insufficient drying is a common source of processing defects; a complete drying system and moisture content inspection system needs to be established. Targeted preventive measures need to be taken in different production scenarios.

Material Drying raw '2079851475616104451moisture contentsilver streakbubblesdehumidifying drying

Rough inner and outer walls of low density polyethylene pipes

Rough pipe wall is caused by low mold temperature or poor surface condition; it needs to be solved from temperature control and mold maintenance.

Material Drying rough pipe walldie temperaturemandrel temperaturemold polishingsizing sleeve

Improper production environment control during low density polyethylene low density polyethylene processing

Production environment is an important factor affecting processing quality; a complete environment control system needs to be established.

Material Drying environment controlworkshop temperaturehumiditycooling water temperatureprocess stability

Defects caused by insufficient drying before processing of low density polyethylene low density polyethylene

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

Bubbles/pores on the surface of low density polyethylene extruded products

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

Cooling water channel blockage of low density polyethylene injection mold

Water channel blockage is caused by poor water quality and insufficient maintenance; water channels need regular cleaning and cooling water quality needs improvement.

Material Drying water channel blockagescalecooling water qualitywater channel cleaningcooling efficiency

Product Defects Caused by Excessive Moisture Content of Low-Density Polyethylene Raw Material

Excessive moisture content of the raw material is solved by sufficient drying, and a complete drying and storage management system needs to be established.

Material Drying moisture contentdryingsilver streakbubblesmoisture-proof storage

Insufficient Impact Strength of Low-Density Polyethylene Injection Molded Products

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

Silver Streaks/Material Flowers Appearing on the Surface of Low-Density Polyethylene Injection Molded Products

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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