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Black ink for oriented polypropylene

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MATTHEWS Intelligent Identification has released a black ink designed for oriented polypropylene (OPP), with excellent adhesion to many plastics that are difficult to print. This makes it suitable for coding items such as confectionery packaging, cabling, plastic extrusions, bottles and caps.

OPP is tear and puncture-resistant, impervious to steam and moisture, and is highly resistant to oil, fat and solvents. It is stable, scratch resistant and has a glossy appearance. Unfortunately it is also hard to mark.

The Linx 1016 black ink offers excellent adhesion to many plastics, including materials such as PVC and nylon, plus biaxially oriented polypropylene (BOPP). It is suitable for coding items such as cabling, plastic extrusions, bottles and caps.

The ink which has good light-fastness, is tolerant to heat and to a range of chemicals, such as alkali, vinegar and spirits that are commonly encountered in production and user environments. It also has drying time of one to two seconds on most substrates. This makes it suitable for fast-running production environments, such as those that use OPP flow wrap and OPP pouches.

Surfaces don't need to be pre-treated with corona discharge or flame. Linx 1016 ink is designed for use with two-line and four-line Linx CIJ printers and a range of advanced Linx print-heads. It has a shelf-life of around 12 months. Matthews has also released Linx 1506 solvent for black plastic-film ink.

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