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Technical data sheet |
| Release W40 |
Description
RELEASE W 40 is a water-based release agent based on acrylic polymers added with special releasing agents.
Application
RELEASE W 40 is suggested for hot-melt and solvent based adhesives.
The product has been designed as a release agent for porous substrates, like Kraft paper, and it gives excellent release and unwinding properties.
Technical Specifications
| Method of analysis | MU | Standard | |
|---|---|---|---|
| 1 | Total Solids | % | 37±2 |
| 3 | Brookfield Viscosity 25°C | mPa.s | 3,000 - 5,0001 |
| 8 | pH | pH | 7 - 9 |
| Notes | |||
| 1 | No 4 RV; 20 RPM | ||
Handling
The quantity to apply depends on the substrate porosity, but it is from 1 to 3 g dry/sqm.
Methods: Mayer bar, Reverse Roll, Roto gravure, Air knife.
It can be either thickened (acrylic thickeners) or diluted (water).
It is advised to heat the product for a few seconds at 150°C in order to achieve the highest properties of releasing (there is a process of self-curing)
Ageing properties are excellent.
Packing
RELEASE W 40 is supplied in 200 l plastic drums or 1000 l tanks.
Storing
Keep material at temperatures between +5°C and +40°C, avoid direct sunlight/freezing.
When stored for over one month, it is necessary to stir slowly the product for 10 - 15 minutes before use.
Shelf life is 3 months.