An improved polyamide ink system as opposed to the Proflex System developed for flexographic print on polywoven polypropylene substrates for the manufacture of sacks. This product displays excellent adhesion and scuff properties often required for this robust packaging material. The Polyflex system can also be utilised in the printing of polyethylene substrates.
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Features
Good printability on Polyethylene and Polypropylene
substrates
Manufactured on organic compounds and therefore fully
recyclable
Properties
Good gloss
Good colour strength
Good solvent release
Excellent printability
Good transfer
Low odour
Non-toxic
Good scuff
Good flexibility
Good adhesion
Block resistant
Reducer
Manufacturers Blend
To retard add Normal Propyl Acetate, Dowanol or
Ethoxy Propanol
To speed up drying add Ethyl Acetate.
Viscosity
Supply viscosity
40-45 sec Zahn # 2 @ 25ºC
Print viscosity
30-35 sec Zahn # 2 @ 25ºC
General
Photopolymer plates can be utilised for both fine and solid print providing plates are washed after use.
To clean plates the recommended reducing solvent can be utilised. Light fastness is dependant on pigment selection
but most of these products are commercially acceptable from 3 to 6 months. A single pigment blending range is
available as well as specifically matched spot colours.
Substrates
Both Corona treated or untreated polywoven polypropylene. LD, LLD and HD Polyethylenes.
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.
