Röben Darwin LDF Red and Brown Smooth Clinker Brick

Roben Darwin LDF Red and Brown Smooth Clinker Brick is a red clinker brick with brown shading, designed for investors who appreciate traditional red brick but want a fresh variation. Ideal for projects that combine tradition with modernity, it works well in interior architecture and as a durable, fire-resistant material for surfaces susceptible to damage.

Properties

• Smooth face surface with heterogeneous colouring
• Perfect for projects combining tradition and modernity
• High technical parameters of bricks
• Extended LDF format (290 x 115 x 52 mm)

Technical Data

• Dimensions of a brick LDF: 290 x 115 x 52 mm
• Total area of perforation: >15% ≤ 50%
• External wall: 21 mm
• Bulk density of brick NF and LDF: 1500 kg/m³
• Bulk density of brick VNF and 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: up to 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
• Coefficient of thermal conductivity of brick NF SP and 7-S: P = 50% - 0.45 W/mK, P = 90% - 0.51 W/mK
• Coefficient of thermal conductivity of brick VNF and VLDF: P = 50% - 0.72 W/mK, P = 90% - 0.79 W/mK