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| Marshall and Williams Transverse Direction Orientation (TDO) Systems
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Marshall and Williams Plastics, is a recognized global leader and innovator in plastics orientation and casting equipment. Marshall and Williams, founded in 1920, built tenter frame systems for the textile industry and was the first to adapt this technology to orient plastic film and sheet. Transverse direction orientation of plastic film and sheet is accomplished by heating the web and stretching it in the transverse (or cross) direction on a tenter frame. The tenter frame consists of two horizontal chain tracks, on which clip and chain assemblies ride. It is usually enclosed in a hot air oven.
TDO Technology:
3 heated zones; the pre-heat, stretch, and anneal sections
Adjustable rail widths
Advanced clip design for a wide range of applications
Designed to process a wide range of materials, widths & thicknesses
Used in film, sheet, netting or nonwovens
Commonly processed materials include polystyrene, PLA, polypropylene, polyester, polyethylene, PVC and more. |
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