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Technical data sheet |
| Tackmelt A40 |
Description
TACKMELT A 40 is a hot-melt adhesive, based on SIS synthetic rubber and synthetic resins.
Application
TACKMELT A 40 has been studied for the production of permanent labels.
It has a strong tack and a good cohesion on paper, paper board, fabrics and foams. The product has a good adhesion even at low temperatures.
Technical Specifications
| Method of analysis | MU | Standard | |
|---|---|---|---|
| 4 | Softening Point, Ring & Ball | °C | 65 - 75 |
| 11 | Peel Adhesion on Steel | g/in | 1,400 |
| 17 | Rolling Ball Tack | cm | 4 |
| 96 | S.A.F.T.1 | °C | 82 |
| 106 | Viscosity at 150 °C | mPa.s | 12,000 - 16,000 |
| 107 | Viscosity at 160 °C | mPa.s | 10,000 - 13,000 |
| 108 | Viscosity at 170°C | mPa.s | 7,000 - 10,000 |
| 109 | Viscosity at 180°C | mPa.s | 5,000 - 7,000 |
| Notes | |||
| 1 | based on ASTM D4498-00 | ||
Handling
TACKMELT A 40 must be heated at 160-180°C with a suitable heating tool and kept at a set stable temperature during all the usage time (temperature changes cause a variation of the viscosity and, consequently, of the processing condition).
The best coating system is slot-die coating.
The product has been designed to resist to high temperature, but it is preferable to avoid thermal shocks.
Packing
TACKMELT A 40 is supplied in 4 kg blocks packed in carton boxes of 12 Kg or in drums.
Storing
Keep the product at temperatures between +5 and +35°C. Avoid contact with dust and liquids.
Shelf life is 1 year.
Notes
Viscosity at high temperatures (indicative values) :
8,000 mPa.s at 160°C
5,000 mPa.s at 170°C.