Akrilan 421
Acrylic dispersion is used as a pressure sensitive adhesive composition in tapes, labels and seals.
- Category
- Adhesives
Composition
- Waterborne dispersion of acrylic polymers.
Specification
- Appearance White liquid without visible delamination
- Solids content (ISO 1625, DIN 53189), % 58 ± 1
- Brookfield viscosity at 23±2°C, 30 min-1, LV spindle № 63, MPa*c 80-120
- рН (ISO 1148, DIN 53785), g/cm3 7,4 - 7,6
- Density at 23 ± 0,1°С, g/cm3 1,04±0,01
Other properties
- Equilibrium surface tension, at 23± 2°C, mN/m, the du Noüy ring method 38-40
- Glass transition temperature, °С -46
- Foaming level, ml <6
- Residual monomers content, % <0.05
- Dispersion type anionic
- Frost resistance unstable
- Peeling adhesion 180°C, ASTM B 3330, N/ cm 1.9-2.7
- Shear adhesion to carton, Afera 5012 procedure B, min > 45
- Shear adhesion to steel plate, Afera 5012 procedure A, min. > 600
Storage
- Akrilan 421 can be stored at a temperature of +5 to + 40 °C in tightly closed PE containers or in stainless steel containers for 6 months. Avoid contact with non-ferrous metals or their alloys, do not expose to sunlight, do not freeze.