Problem & Solution

Q

Random copolymer polypropylene pipe special material (Nordic standard） extruded products surface bubbles/pores

A

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

Material Drying bubblesporesraw '2079851475616104451ventingvolatiles

Q

Random copolymer polypropylene pipe special material (Nordic standard） Random copolymer polypropylene pipe special material (Nordic standard） defects caused by insufficient drying before processing

A

Insufficient drying is a common root cause of processing defects, requiring the establishment of a sound drying system and moisture content testing system.

Material Drying raw '2079851475616104451moisture contentsilver streaksbubblesdehumidifying drying

Q

Random copolymer polypropylene pipe special material (Nordic standard） pipe inner and outer wall roughness（Variant: Strengthened Measures）

A

Pipe wall roughness is caused by low mold temperature or poor surface condition, and needs to be solved from temperature control and mold maintenance.Targeted preventive measures need to be taken in different production scenarios.

Material Drying pipe wall roughnessdie temperaturemandrel temperaturemold polishingsizing sleeve

Q

Random copolymer polypropylene pipe special material (Nordic standard） Random copolymer polypropylene pipe special material (Nordic standard） improper production environment control during processing（Variant: Strengthened Measures）

A

The production environment is an important factor affecting processing quality, requiring the establishment of a sound environmental control system.Targeted preventive measures need to be taken in different production scenarios.

Material Drying environmental controlworkshop temperaturehumiditycooling water temperatureprocess stability

Q

Random copolymer polypropylene pipe special material (Nordic standard） extruded products surface bubbles/pores（Variant: Mass Production Scenario）

A

Bubbles are caused by moisture vaporization or gas entrainment, and 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

Q

Random copolymer polypropylene pipe special material (Nordic standard） extruded products surface bubbles/pores（Variant: Strengthened Measures）

A

Bubbles are caused by moisture vaporization or gas entrainment, and 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

Q

Random copolymer polypropylene pipe special material (Nordic standard） Random copolymer polypropylene pipe special material (Nordic standard） defects caused by insufficient drying before processing（Variant: Strengthened Measures）

A

Insufficient drying is a common root cause of processing defects, requiring the establishment of a sound drying system and moisture content testing system.Targeted preventive measures need to be taken in different production scenarios.

Material Drying raw '2079851475616104451moisture contentsilver streaksbubblesdehumidifying drying

Q

Defects caused by insufficient drying before random copolymer polypropylene random copolymer polypropylene processing

A

Insufficient drying is a common root cause of processing defects; a complete drying system and moisture content testing system need to be established.

Material Drying raw '2079851475616104451moisture contentsilver streakbubblesdehumidifying drying

Q

Bubbles/pores on the surface of random copolymer polypropylene extruded products

A

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

Material Drying bubblesporesraw '2079851475616104451ventingvolatiles

Q

Cooling water channel clogging of random copolymer polypropylene injection mold

A

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

Material Drying water channel cloggingscalecooling water qualitywater channel cleaningcooling efficiency

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