PR
Rosin Modified Phenolic Resin
REACH-aligned
PR-142
Lower-melt rosin-modified phenolic for lithographic and letterpress inks
PR-142 is a rosin-modified phenolic resin with a lower melting point than PR-140. It suits ink systems that need easier make-up while retaining the gloss and oil resistance of the family.
Technical specifications
Spec sheet
| Property | Value |
|---|---|
| Melting Point | 130–150 |
| Acid Value | 25 |
| Viscosity | ~75 sec (FCB4 @30°C, 50% Toluene) |
| Heptane Value | 30 |
Applications
Recommended for
- Over-print varnishes
- Lithographic and letterpress inks
- Hard-drying varnishes, primers and paints
Key features
Grade notes
- Lower melt for easier ink make-up
- Good wetting and polishing
- Light resistance and levelling
End uses
Common applications
Printing Inks
Discuss PR-142 for your formulation.
Send the application and target specification. We can provide a sample and connect you with the technical team.