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Injection molding

Injection molding

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All informations about Clean HDPE (MFI, performances, graphic, real case exemple…) are in this brochure.

mold injection after purged bly Clean Xpress

Compatible grades

Clean HP

About

CLEAN HP is a purging compound containing high level of additives (non-abrasive minerals and organic additives) and Polyethylene Metallocene as carrier*.
Is especially useful in extrusion applications.
Is significantly reduces the cleaning time of the screw of the extruder. Is runs smoothly and can itself be easily removed from the extruder.

Processing temperatures

From 80°C to 230°C.

Compatible resins

  • Engineering polymers
  • Bio polymers
  • EVOH
  • Premium grades
  • Polyolefins
  • Styrenics

Clean LDPE

About

CLEAN LDPE is a purging compound containing high level of additives (non abrasive minerals and organic additives) and Low Density Polyethylene (LDPE) as carrier*.
CLEAN LDPE is especially useful in extrusion applications.
CLEAN LDPE significantly reduces the cleaning time of the screw of the extruder. CLEAN LDPE runs smoothly and can itself be easily removed from the extruder.

Processing temperatures

From 100°C to 200°C.

Compatible resins

  • LD & LLDPE

Clean PP

About

CLEAN PP is a purging compound containing high level of additives (non abrasive minerals and organic additives) and polypropylene (PP) homopolymer as carrier*.
CLEAN PP is especially useful in extrusion of profiles as well as in injection moulding.
CLEAN PP significantly reduces the cleaning time of the screw of the extruder or the barrel of the injection moulding machine. CLEAN PP runs smoothly and can itself be easily removed from the extruder or moulding machine.

Processing temperatures

From 180°C to 230°C.

Compatible resins

  • PPH
  • PPC
  • PPR

Clean HDPE

About

CLEAN HDPE is a purging compound containing high level of additives (non abrasive minerals and organic additives) and High Density Polyethylene (HDPE) as carrier*.
CLEAN HDPE is especially useful in extrusion of profiles as well as in injection moulding.
CLEAN HDPE significantly reduces the cleaning time of the screw of the extruder or the barrel of the injection moulding machine. CLEAN HDPE runs smoothly and can itself be easily removed from the extruder or moulding machine.

Processing temperatures

From 150°C to 270°C.

Compatible resins

  • HDPE
  • Polyolefins

NEW Clean HR

About

Clean HR is one of the latest innovations coming from Polytechs Laboratory.

This is the second generation of hybrid purging compounds suitable for Hot Runners systems in Injection Molding.

Its ability to clean the impurities and contaminants lodged into the small cavities & angles of hot runners without damaging them with its controlled PSD (particle size distribution) makes it the perfect support for your color / material changes and maintenance operations.

Approved internally and by industry peers – from 2 to 8 shots only to purge & clean challenging color changes.

Processing temperatures

From 150°C to 240°C.

Compatible resins

  • Soft PVC
  • PMMA
  • Polyolefins
  • Technical polymers
  • Styrenics
  • (Co)polymers

Real customer cases

CONSUMER GOODS

  • Molded pieces
  • Molded toys

Machinery

  • Mold producer

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download brochure purging compound

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