Darwin XLDF
Red and brown smooth
Red clinker brick with brown shading. It was created for investors who appreciate traditional red brick, but they are looking for a color variant that will bring a breath of freshness to the building’s appearance.
The Darwin shade is particularly suited to projects combining tradition and modernity. Used in interior architecture, it will create an original atmosphere, and thanks to its strength and fire resistance it is also a good material for surface finishing, which is susceptible to damage.
- The smooth surface of the face and heterogeneous coloring
- Perfect for projects combining tradition and modernity
- High technical parameters of bricks
- Extended LDF format (365 x 115 x 52 mm)
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Technical data
Dimensions of a brick XLDF
365 x 115 x 52 mm
The total area of perforation
>15% ≤ 50%
External wall
21 mm
Bulk density of brick NF i LDF
1500 kg/m3
Bulk density of brick VNF i VLDF
2300 kg/m3
Bulk density of brick NF SP
1650 kg/m3
Bulk density of brick 7-S
1900 kg/m3
Bulk density of brick XLDF
1600 kg/m3
Strength of brick NF, NF SP, LDF, XLDF
≥35 N/mm2
Strength of brick 7-S, VNF, VLDF
≥45 N/mm2
Absorbability
do 6%
Frost resistance
category F2
Acid resistance
+
Alkali resistance
+
Coefficient of thermal conductivity of brick NF, LDF, XLDF
P = 50% - 0,37 W/mK
P = 90% - 0,43 W/mK
P = 90% - 0,43 W/mK
Coefficient of thermal conductivity of brick NF SP i 7-S
P = 50% - 0,45 W/mK
P = 90% - 0,51 W/mK
P = 90% - 0,51 W/mK
Coefficient of thermal conductivity of brick VNF, VLDF
P = 50% - 0,72 W/mK
P = 90% - 0,79 W/mK
P = 90% - 0,79 W/mK
Available formats
Brick NF
Brick LDF
Brick XLDF
Brick NF-SP
