Polystar presents three-layer co-extrusion film line for T-shirt and garbage bags at Rosupack 2016

Issue date:11/07/2016
Source: CPRJ Editorial Team

At Rosupack 2016, Taiwan-based Polystar presented its 3 layer blown film extrusion machine for production of three-layer film for eventual high density polyethylene (HDPE) T-shirt bag conversion.
The new trend of using a three-layer machine for the production of T-shirt and garbage bags is getting more popular and has been replacing the traditional monolayer, according to the company. In addition to reduce cost of raw material, the three-layer film always gives more resistance and elasticity.

The production of three-layer film with an A/B/A structure was demonstrated at the show. The middle layer uses recycled materials with a calcium carbonate compound up to 70%, which significantly reduces production cost.

The main advantages of the three-layer co-extrusion line are:
  • Stronger, higher film resistance comparing to mono layer film products with the same thickness;
  • Cost saving: Virgin material is applied mainly on the outer (thin) layers which is relatively a very small percentage of the film composition;
  • Better material mixing with co-extrusion technology to produce higher quality film.

Polystar can also provide its Repro-Flex recycling machine with the latest cutter-compacting, degassing, filtration and pelletizing technology. The recycling machine is installed to recover film waste generated from in-house production.

Fine more info about Repro-Flex plastic recycling machine:

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