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BETON SILICO-ALUMINOS DENS TERMOREZISTENT
 
(BETON CU CIMENT STABILIZAT)

  STAS 7981/1-85  
     


BTR-A
BTR-L
Temperatura maxima utilizare
°C
max
900 - 1200
700
Densitate aparenta dupa uscare la 105°C, dupa ardere la temperatura: 700°C
                                       900°C
                                     1000°C
                                     1100°C
                                     1200°C
g/cm3
min

1,90
-
1,70
1,75
1,80

1,10
1,06
-
-
-
Rezistanta la compresiune dupa uscare timp de:
                                           3 zile
                                           7 zile
                                         14 zile
                                         25 zile
dupa ardere la temperatura de:
                                       700°C
                                       900°C
                                     1000°C
                                     1100°C
                                     1200°C
N/mm2
min

9
10
12,5
20

-
7
9
11
14

3,40
-
-
-

4,00
-
-
-
-
Contractia totala
%
max
1,60
0,60
Dimensiunea max.a granulelor de agregat
   - sub 50 mm
   - intre 50-150 mm
   - peste 150 mm

50
10
25

5
-
10
Conductivitatea termica la 700°C
Kcal/m.h.°C
max
-
0,46
Termen de garantie
luni
1
1
Material necesar pentru 1 m3 zidarie
to/m3
2,10
1,10