This is a flexographic ink system originally developed from the highly successful gravure ink system Technivure. It is suitable for polyethylene, uncoated cellophane, co-extruded and orientated polypropylene, paper, boards, treated nylon and metalised films and foils (if washed with Nitrocellulose, Shellac or a water based primer).
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Properties
- Water-resistant
- Oil resistant
- Heat resistant up to 180°C
- Good jaw release
- Excellent flexibility
- Good scuff resistance
- Block resistant (ink to ink or ink to film)
- Low odour
- Good solvent release
- High gloss
- Non-toxic
- Low solvent retention
- Low foaming characteristics
- Light fast depending on pigment selection
- Excellent adhesion
- Freeze resistance, depending on the severity, but if higher resistances is required, the Polyfreeze system should be utilised.
Reducer
Ethyl Alcohol:
To speed drying: add Ethyl Acetate (keep addition levels as low as possible to avoid damage to the plates)
To retard drying: add Dowanol (no more than 10%) or Ethoxy Propanol.
Viscosity
Supply viscosity: 40-50 sec Zahn #2 @ 25ºc.
Print viscosity: 30-35 sec Zahn #2 @ 25ºc.
Colour Range
Single pigment blending ranges available as well as specifically matched colours (spot colours).
When printing PTMA colours there is a risk of migration, so when printing polyethylene the recommendation is to print and bag as soon as possible.
General
Synthetic rubber is preferable for stereos and rollers because of the ester content. Light and soapresistances is dependant on pigment selection.
Washup
For wash up purposes the recommended reducing solvent is required.
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
Texalflex (Texal) – Datasheet