MAC POLYSTAR INKS are Polyamide Resin based gravure ink made for Surface printing of treated polyethylene or BOPP film. These inks have been carefully formulated for gravure printing of treated films and give high gloss and high print strength on a wide range of substrates. Besides polyethylene, these types of inks are also suitable for surface printing of Aluminium foils, paper , board and polyester etc. These inks should not be used for lamination purpose even by mistake and they do not offer any heat resistance property. Alcohol based Flexo inks are available on request. Salient features are

• Good printability
• Excellent resolubility
• Stable rheology during printing
• Satisfactory level of gloss

SUBSTRATE
MAC POLYSTAR INKS are offer good adhesion to all types of treated Polyethylene films and may also be printed on a wide range of films, aluminium foils, paper and board. These inks have good adhesion to treated BOPP and polyester films. The recommended treatment level for Polyethylene/BOPP film is at least 38 dynes/cm to ensure good adhesion and optimum resistance properties.

INK REDUCTION
MAC POLYSTAR INKS will tolerate a fairly wide range of reducer to accommodate variation in press speeds and conditions. The usual reducer for these inks is a blend of isopropyl alcohol and toluene, the proportion of which will depend upon press speed. n-Butyl Alcohol is the recommended retarder. Addition of NBA helps specially in rainy season , when printer faces blushing and gloss problems. For alcohol based inks Toluene free system is required.

PRESS WASH UP
The reducers are suitable for washing up the press and press accessories.

COLOUR RANGE
A variety of standard colours are available. Specific shades are matched on demand.

LIGHTFASTNESS
Besides a few ,most of the pigments used in inks give reasonable light fastness but may not be suited to extended exposure to direct sunlight. This property can be built in if specified when ordering.