Akrilan 421

Akrilan 421
Adhesive
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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.