A gravure printing ink developed for coated paper and board printing to achieve excellent reflectance and brilliance for metallic performance and finishes comparable to metalised paper. Initially developed for gravure printed beer labels the product can be modified for flexographic systems.
Features
A high gloss, high brilliance silver or modified gold for high-speed gravure surface print. Yields spectacular reflectance that cannot be duplicated by any other printing processes.
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Properties
Good rub resistance
Good scuff resistance
Low solvent retention
Low tack (no blocking or offsetting in reel form)
Low odour
Excellent flexibility
Excellent reflectance (brilliance)
Good heat resistance 180°C
Light fast
Oil resistant
Low foaming characteristics
Non-toxic
High slip properties
Good penetration (caustic penetration within 30 seconds)
Retention in high alkali solutions
Adhesion and tape release
Stability
Excellent printability and wetting. This product is stabilised against agglomeration and significant increase in viscosity. A 5 to 10% increase in viscosity is normal over a 180 day period.
Viscosity
Supply viscosity 32 to 36 seconds Zahn #2 @ 25ºC
Print viscosity 18 to 26 seconds Zahn #2 @ 25ºC.
Reducer
Ethyl Acetate/Normal Propyl Acetate blend 2:1 ratio can be utilised depending on print speeds.
Add Ethyl Acetate for faster print speeds. Add Normal Propyl Acetate to retard drying speeds.
General
Can be supplied as a silver with additions of colour concentrates to change to gold or bronze shades (2 pack) or as a specifically matched colour (1 pack). Metallic colours can also be manufactured.
Wash up
Ethyl Acetate can be utilised
BCF
These inks have been formulated in accordance with the recommendation of the British Coatings Federation.
Waste disposal
Care should be exercised in the disposal of printing ink waste. This should be carried out in accordance with good industrial practice observing all the appropriate regulations including the relevant guideline notes to the Environment Conservation Act and Regulations (73/1989).
Health and Safety
Full details appear on the Material Safety Data Sheets
The information outlined here is given in good faith but does not constitute a guarantee. Since conditions of handling and application are beyond our control, the converter should assure himself of the suitability of the product for the particular end use. It is recommended that advice be taken from Hi-Tech Inks’ Technical Department for all new applications and it is preferable for trials to be carried out before full production runs are commenced.
