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Technical data sheet |
| Primer EPA-W4 |
Description
PRIMER EPA-W4 is a two-components water borne emulsion of resins and synthetic polymers, which produces a good adherence of acrylic water based adhesives to polyolefin films.
Application
PRIMER EPA-W4 can be used as primer for corona treated PP and PE films. It avoids adhesive transfer after printing on PP packaging tapes.
Technical Specifications
| Method of analysis | MU | Standard | |
|---|---|---|---|
| 1 | Total Solids | % | 20±1 |
| 3 | Brookfield Viscosity 25°C | cps | 15 - 501 |
| 8 | pH | pH | 9 - 11 |
| Notes | |||
| 1 | No 1 RV; 100 RPM | ||
Handling
Before use, add PEI 50 Additive (1.6%) to PRIMER EPA W4 and mix. Pot-life, after addition, is of 3 days.
If compound is not used for 6-7 hours, it must be stirred before use.
Apply 3-5 wetg/sqm, on the corona treated side, with usual systems (Mayer bar, rotogravure, air-knife,...).
Packing
PRIMER EPA-W4 is supplied in 200 l drums or 1000 l tanks.
Storing
Product must be stored at temperatures between +5°C and +40°C.
Shelf life is 3 months.
Notes
Stir PRIMER EPA W4 before use.