HENSOTHERM 421 KS | R15 - R180

HENSOTHERM 421 KS | R15 - R180

Fire-resistant intumescent paint, water-based, environmentally friendly, and durable, with high efficiency due to low material consumption and minimized drying time.

• Free from halogens, APEO, borates, plasticizers, silicones and fibres (glass-fibre free)
• Classified according to DIN EN 13501-2
• Fire resistance rates from R 15 up to R 180 for open profiles, hollow profiles and hollow beams
• AgBB-tested, Non-VOC, VOC-emission class A+, LEED v4
• DGNB Navigator Registration: 3E4MHK

Benefits

• Suitable for structural steel, as a water-based intumescent coating system.
• Used for fire protection of open profiles, hollow profiles, and hollow beams.
• Approved for use on galvanized profiles.
• Suitable for factory application (fast drying).
• Physical lifespan according to ETAG No. 018-1 up to 25 years.

Product Properties

• Optimal surface appearance with airless spray application.
• High fire resistance levels with low coating thickness.
• Maintenance-free.
• Topcoat available in RAL/NCS shades or custom colors.
• Specific gravity: 1.34 kg/l, volume solids: 72% ± 3% (measured according to ISO 3233).