Unimide
Polyamide for Untreated Surfaces
REACH-aligned
Unimide US 77
Polyamide ink resin designed for adhesion to untreated HDPE/LDPE
Unimide US 77 is a brown-bead polyamide formulated to pass the tape test on untreated HDPE and LDPE. It supports flexo and gravure work on substrates that would otherwise need corona treatment.
Technical specifications
Spec sheet
| Property | Value |
|---|---|
| Appearance | Brown bead shape |
| Softening Point | 105–115 |
| Amine / Acid | >7 / >7 |
| Viscosity | 25–35 sec (FCB4 @30°C, 50% IPA) |
Applications
Recommended for
- Flexo and gravure inks on HDPE/LDPE
- Difficult-substrate ink systems
Key features
Grade notes
- Excellent adhesion on untreated HDPE/LDPE
- Passes tape test without surface treatment
- Alcohol / co-solvent soluble
End uses
Common applications
Printing Inks
Flexible Packaging
Discuss Unimide US 77 for your formulation.
Send the application and target specification. We can provide a sample and connect you with the technical team.