PRODUCTION | PURGING COMPOUNDS
Above: Image showing use of a Polytechs purge
compound on a cast film line
ing market,” according to Bloem. He says the company recently developed a
Clean Xpress grade for cleaning extrusion lines running biopolymers. The grade is said to purge effectively at low temperatures from 80°C. Recycla- bility and sustainability are other issues that will be addressed at Polytechs in the development of new purging Clean Xpress grades. Chem-Trend has developed Chem-Trend Lusin
MC1718, a highly active general cleaner that is claimed to be especially applicable for removing tenacious polymer and other residues from metal surfaces. Available in aerosol and bulk forms, Lusin MC1718 is a cleaning agent primarily used for cleaning dirty moulds and dissolving polymer residues, for example PVC, POM, polyamides and acrylates. It is also effective at dissolving adhesives, glues, oil, wax, and grease residues.
Single solutions The company has also developed Ultra Purge C6090 thermoplastics purging compound.
Primarily used in the manufacturing process of automotive headlamp and rear-lamp lenses, Chem-Trend says that this product offers customers a single purging agent that minimises quality issues and creates a more consistent, simple, and efficient process. “For customers using one machine to manufacture both headlamp and rear-lamp lenses, this product allows for one complete purging agent,” says Antje Scholl, Business Development Director – Thermoplastics, Chem-Trend. “Ultra Purge C6090 can greatly improve the quality of final products and will contribute to overall waste reduction. Plus, the need for one purging com- pound versus two will improve process efficiencies and upstream resources.” The company adds that this flexible Ultra Purge C6090 solution also overcomes common industry issues associated with colour change in polycar- bonate, or processing polycarbonate at high temperatures and switching to PMMA at low temperatures. The product allows for a smooth transition between the polycarbonate processing temperature of 280-320°C (536- 608°F) and 190-270°C (374-518°F) for PMMA. It prevents issues related to either freezing polycarbonate at PMMA processing temperatures or burning PMMA at polycarbonate processing temperatures with the consequence of black specks.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.dynapurge.com �
www.rapidpurge.com �
www.asaclean.com �
www.cleanxpress-polytechs.com �
www.chemtrend.com
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PHOTO: POLYTECHS
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