STHAMEX AFFF 3% F-0 #4302
Mfg.: Dr.Sthamer – Hamburg
STHAMEX®-AFFF 3% F-0 (#4302)
STHAMEX AFFF 3% F-0 is a synthetic, aqueous film-forming fire-extinguishing foam concentrate based on surface-active agents. It is designed for use at a 3% concentration and is compatible with all standard low-expansion foam equipment and fixed foam installations, particularly for combating Class B fires.
Applications:
– Petrochemical industries
– Airports
– Onshore and offshore facilities
Limitations:
– STHAMEX®-AFFF 3% F-0 is not suitable for use on polar solvents, such as alcohols.
Physical properties and technical data:
– Recommended induction rate: 3% low expansion foam, non-polar liquids
– Foam expansion* (according to EN 1568): 5 – 10 low expansion foam*
– 25% water drainage time (according to EN 1568): 4 – 8 minutes
– 50% water drainage time (according to EN 1568): 3 – 7 minutes
– Colour: yellow to brown
– pH value at 20°C : 6,5 – 8,5
– Density at 20°C : 1,020 ± 0,02 g/ml
– Sediments: none
– Surface tension: < 17,5 mN/m
– Spreading coefficient: > 3 mN/m (Cyclohexane)
– Frost resistance: 0°C (prevent from freezing)
– Viscosity at 20°C : < 10 mm²/sec
– Viscosity at 0°C : < 20 mm²/sec
