Documentation
 Technical data
as pdf-file
IMPORTANT PRODUCT-SPECIFIC DETAILS
Bearing strength:The compressive strength of 0,3 N/mm² corresponds to a surface load of
300kN/m². From the above follows a 60-fold security e.g. for a working load of 5,0 kN/m² according
to DIN 1055-3.
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TEFROTEX LW-S
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| TEFROTEX LW-S is a cement-based light-weight screed, made of cement CEM I
32.5 R, recycled polystyrene granules with additive gravel sand, if applicable, and a special
additive. The light-weight screed can be mixed and pumped with common screed pumps. |
Application:The hardened TEFROTEX LW-S is preferably used as levelling according to DIN
18560-2 para. 4 under floating floors. It shows a high bearing capacity with minor deformations for
normal loads (working loads). Good thermal insulation characteristics result from the density of
the formulation.
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TECHNICAL DATA
The ratio of cement of the light-weight screed affects density, compressive strength and
characteristics of the thermal insulation.
| Density: |
app. 350 - 700 kg/m³ |
Compressive strength
(DIN 1048, P. 5): |
app. 0,3 - 0,5 N/mm² |
Heat conductivity
(DIN 52612, T. 1): |
λ = app. 0,08 W/mK
( ρ ≈ 340 kg/m³) |
Characteristic heat conductivity
(DIN 1048, T. 5): |
λ
R = 0,14 W/mK
( ρ ≈ 340 kg/m³) |
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