Description
TACKWHITE NA 55 is a waterborne pressure sensitive adhesive, based on various acrylic latices in physical blend.
Due to its composition, it displays excellent ageing properties, including light stability.
Application
TACKWHITE NA 55 has been designed for the production of protective PE films.
It can also be used for the production of PSA adhesive tapes, with low peel adhesion and perfect removability, and for removable labels, suitable for food contact.
Technical Specifications
| Method of analysis | MU | Standard |
|---|---|---|
| 1 Total Solids | % | 50±1 |
| 8 pH | pH | 7.5 - 8.5 |
| Solvents | water | |
| 3 Brookfield Viscosity 25°C | mPa.s | |
|
TACKWHITE NA 55
|
< 500 1 | |
|
TACKWHITE NA 55 (V1)
|
12000 - 22000 2 | |
|
TACKWHITE NA 55 (V2)
|
17000 - 27000 3 | |
| 1 No 3 RV; 60 rpm | ||
| 2 N. 5 RV; 20 RPM | ||
| 3 No 6 RV; 20 RPM | ||
Film properties
| Method of analysis | MU | Standard |
|---|---|---|
| 11 Peel Adhesion on Steel | g/in | 30 |
| 22 Static Shear | h | > 100 |
| 97 Loop Tack Test | g | 150 |
| Average values; 22±2 g/m² of dry adhesive on PET film 36 µm | ||
Handling
TACKWHITE NA 55 is ready for application by Mayer bar or air knife coating systems; higher viscosity grades can be supplied on request for rotating blade or direct knife coating systems.
If necessary, it can be diluted with water.
Product can be cured with a small amount of CURING AGENT W3 DIL. (2 to 3.5%) in order to increase its water resistance and its cohesion.
Packaging
The product is supplied in iron drums (200 kg); IBC containers (1050 kg).
Storing
TACKWHITE NA 55 must be stored at temperatures between +5°C and +40°C.
Keep containers well closed, in order to avoid formation of surface skin.
Use within 6 months from production date (unopened and in the original packaging).