Description
SOLACRIL 781 is a self cross-linking solvent borne acrylic pressure sensitive adhesive with a very high total solids value. The product does not contain aromatic solvents.
The product has high peel adhesion and tack values, combined with a good balance of cohesive properties and a good thermal resistance.
Application
SOLACRIL 781 is recommended for double-sided foams, for transfer tapes and for products with high initial tack.
Technical Specifications
| Method of analysis | MU | Standard |
|---|---|---|
| 1 Total Solids | % | 57±1 |
| 3 Brookfield Viscosity 25°C | mPa.s | 6000 - 9000 1 |
| Solvents | ethylacetate / isopropyl alcohol | |
| 1 N. 4 RV; 20 RPM | ||
Film properties
| Method of analysis | MU | Standard |
|---|---|---|
| 11 Peel Adhesion on Steel | g/in | 2,000 |
| 22 Static Shear | h | > 100 |
| 96 S.A.F.T. | °C | 185 |
| 97 Loop Tack Test | g | 2,000 |
| 1 based on ASTM D4498-00 | ||
| Average values; pilot plant coating at 1 m/min; 25±3 g/m² on PET film 23 µm, TCA-treated | ||
Handling
SOLACRIL 781 is supplied ready for coating by rotating blade or reverse roll. Diluted, it can be applied by rotogravure or Mayer bar. A perfect drying is necessary to fully complete the cross-linking process.
Packaging
The product is supplied in iron drums (180 kg); ADR compliant IBC containers (900 kg).
Storing
Store in a cool place, protected from direct sunlight and heat sources, at temperatures between +5 and +40°C. Keep material in tightly closed containers to prevent loss of solvents.
Use within 6 months from production date (unopened and in the original packaging).