Nelissen – Products - LunaBack
|Clay bricks N70/40||240x70x40 mm||80 tk/m²|
|Brick slips N70/40||240x40x20 mm||80 tk/m²|
|Euro CE (EN 771-1)|
|Belgium BENOR (PTV 23-002)|
|Resilience category||Class T2|
|Scope category||Class R1|
he homogeneous mixture of accurately pre-defined proportions of manganese oxide with grey-red baking lössial clay is responsible for the black colour of the brick. The colour ranges from mainly charcoal to pitch-black with blue shades. Through sintering of the brick, the different nuances of colour are obtained.
The facing brick (non-perforated) is sanded on five sides, and provided with an oblong sloping groove on one flat side. The structure is formed by a rough appearance with fine and irregular grooves in the sandy surface. The baking process is done in a gas-fired tunnel kiln under a slightly reducing atmosphere.
|Reaction to fire||Euro class A1|
|Water absorption||< 13%|
|Water evaporation rate||5/10 (table value EN 1745)s|
|Freezing / Thawing Resistor||
F2, cold class D, respectively, BRL 1007
Highly frost resistant according to PTV 23-002
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