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Polymer made of DuPont Delrin

The new additions to its portfolio complete the range of drive and materials handling products available from the Munich-based manufacturer of precision chain systems. In addition to its roller and conveyor chains made of steel, the Flexon MatTop chains (in both metric and imperial widths) and the straight or curved hinged-slat chains are available as polymer or stainless steel versions, thereby providing a solution regardless of piece good handling requirements.

Typical applications for the new polymer models include the transportation of glass and plastic bottles, cans, crates, barrels and casks in drink bottling and packaging plants, the transportation of foodstuffs and, in general, the
handling of small to medium-sized products. The high corrosion resistance of Delrin permits the use of highly-effective cleaning agents, which would otherwise be impossible with metal chains or would require a high degree of maintenance.

- Drawing from our comprehensive range of high-performance polymers, we have been able to work with iwis in developing and achieving a tailored solution - explains Karsten Faust, account manager at DuPont Deutschland. - And we will continue to provide our customers with innovative materials which will allow them to create new opportunities within the materials handling sector. Indeed, there are already projects underway, with Delrin or Zytel nylon as a base material, which are looking at using tailored reinforcing fibers and lubricants to extend the benefits of polymer conveyor chains to applications with considerably higher mechanical loads.

A common denominator amongst all Delrin® acetal resins is their excellent tribological properties in terms of their low wear/low friction behavior. In addition, some grades of the DuPont polymer have been tailored for specific
applications.

Delrin 511P is a medium viscosity unreinforced acetal homopolymer and is seen as a standard grade for polymer conveyor chains.

Delrin 500AL is a medium viscosity acetal homopolymer, with an advanced system of lubrication for applications requiring low wear and/or coefficient of friction.

Delrin 500TL is a medium viscosity acetal homopolymer resin containing Teflon PTFE micropowder, designed for applications requiring moderate low wear and friction against steel, itself, or other plastics.

Delrin 100KM is a high viscosity acetal homopolymer resin modified with Kevlar aramid resin, designed for applications requiring low wear in abrasive environments.

The wide range of applications for low wear/low friction Delrin acetal resins includes materials handling technology, drive components such as gears, automotive components, closure and dosage systems in packaging and cosmetics and functional parts in winter sporting goods.


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