Arrow UNP-128
The Foundation Behind Superior Inkjet Print Performance
Great inkjet printing doesn’t start with ink.
It starts with the surface.
Arrow UNP-128 is a water-based inkjet primer engineered to transform coated offset substrates into high-performance inkjet-ready surfaces—delivering sharper detail, stronger color density, and a wider color gamut with minimal coat weight.
Designed for professional production environments, UNP-128 ensures predictable behavior, smooth application, and consistent print quality, run after run.
Why Arrow UNP-128?
Engineered for Inkjet Precision
UNP-128 is formulated specifically for water-based inkjet inks, enhancing ink receptivity and surface uniformity on coated offset papers—without altering the base substrate characteristics.
The result:
✔ Cleaner dots
✔ Better color saturation
✔ Improved image clarity
All achieved with low primer consumption and high process efficiency
Superior Results with Minimal Coat Weight
Unlike heavy primers that add cost and complexity, UNP-128 delivers performance at low application levels, helping converters and printers:
- Reduce material usage
- Maintain substrate feel
- Improve press efficiency
- Control production costs
This makes UNP-128 ideal for commercial inkjet, digital offset replacement, and hybrid workflows.
Built for Production Flexibility
UNP-128 integrates seamlessly into existing coating operations.
Compatible application methods:
- Rod coating
- Flexo coating
- Gravure coating
Its low and stable viscosity profile supports smooth flow, even coverage, and reliable runnability across coating systems.
Key Technical Highlights
- Primer Type: Water-based inkjet primer
- Appearance: Clear
- Non-Volatile Content: 19.5 – 21.0%
- pH Range: 6.5 – 8.0
- Viscosity: 0 – 200 cps (Brookfield, Spindle 2 @ 60 RPM)
- Water Solubility: Fully soluble
Safe, Stable & Industry-Ready
Arrow UNP-128 is not classified as hazardous under OSHA Hazard Communication Standards and contains no substances requiring hazard labeling under normal industrial use.
- Non-flammable
- Stable under recommended storage conditions
- No special transport classification
- Designed for controlled industrial handling
This simplifies storage, compliance, and operator safety across production environments.
Where Arrow UNP-128 Fits Best
- Inkjet printing on coated offset substrates
- Commercial and publication printing
- Digital print enhancement workflows
- Hybrid offset-to-inkjet transitions
If print quality matters and surface consistency decides results UNP-128 is the layer that makes the difference.