Product Description
KERAFIX® FLEXpremium H is a flexible, intumescent material on the
basis of expandable graphite, which expands under high pressure when
heat is applied.
Special feature:
In case of fire it will expand into a highly pressure-resistant and stable
mass.
KERAFIX® FLEXpremium H is in most cases insensitive to moisture

Application Areas
■ Fire protection doors of wood, steel or aluminium
■ Glazing
■ Facades
■ Safety storage cabinets, safes
■ In drywall construction: inspection flaps, separating walls and floor constructions
■ Component joints, heat insulation elements
■ Pipe and cable insulation
■ Gas stop valves, pneumatic drives

Technical Data
Composition: halogen free, expanding construction material on the basis of expandable graphite
Material structure: firm, flexible roll material
Bulk density [kg/m³]: 1300 (±100)
Start of reaction [°C]: from approx. 175
Expansion rate [x times]: 17.4 to 26.2 (550 °C; 30 min.; with load)
Direction of action: three-dimensional
Expanding body: solid, stable mass
Expansion pressure [N/mm2]: 1.01 bis 1.68 (300 °C, method 4)
Thermal conductivity [W/mK]: 0.303 (at 10 °C)

Design Variants
KERAFIX® FLEXpremium H single-sided lamination with glass fabric, black
Variant SK: single-sided adhesive
Variant DF: single-sided lamination with PVC foil in different colours
Further variants on request.
Standard colours for films and sheeting: red, black and white; more colours on request.
Supply Formats
Standard lengths: 25 000 mm and 50 000 mm
Widths: up to 320 mm (widths > 320 mm on request)
Thicknesses: 1.5 mm and 2.0 mm (special thicknesses available on request)

Classification E (normal flammability) according to DIN EN 13501-1
European Technical Assessment ETA-18/0538