PROMASEAL®-AG is an acrylic-based, intumescent, single component fire stopping mastic with high expansion factor.

Further Information


Cables, cable bundles, conduits, combustible pipes and pipes with combustible insulation


  • Expands under pressure
  • Can be painted
  • Good adhesion to various substrates

Reaction to fire: B-s1,d0
Dry Density (g/cm³): 1.6 g/cm³
Wet Density: 1.5 g/cm³
Approx. Expansion Pressure (N/mm²): 0.9 N/mm²
Approx. Expansion Ratio (550 °C): 1:13
Approx. Expansion Temperature (°C): 150 °C
Solids Content (%): 84 %
Use Category: Y1, Y2, Z1, Z2
Colour: Grey
Shelf Life (months): 12 months
Storage Conditions: Store in cool and dry conditions: 3°C - 35°C; Shelf life of original sealed containers at least for mentioned period;
Storage Temperature Min (°C): 3 °C
Storage Temperature Max (°C): 35 °C
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