Refractory mixes E.C.T.P. Refractories

Refractory mix VIBREC 845 OFF

Refractory mix VIBREC 845 OFF

Price: on request

Specifications:
• Main component bauxite + hight t° fibers;
• Grain size 5 mm;
• Maximum service 1700 0С;
• Material required 2,90 t/m3;
• Mixing water 5 – 5,5 %.
 

Class

Application

Binding

State at delivery

Packaging

Lifetime

A  - Group 170
ASTM F

Cast - vibrate

Hydraulic

Dry, powdery

Sack or big bags

6 months

Chemical analysis after calcination:

Al2O3

82%

SiO2

11-13%

CaO

0,7%

Fe2O3

1-1,3%


Physical properties

Norms

Average value

Units

Bulk density after drying at 110 0С

EN 1402-6

2,97

g/cm3

Cold crushing strengh:
after drying at 110 0С
after firing at 1000 0С
after firing at 1500 0С

EN 1402-6

60
130
140

N/mm2

Permanent linear change:
after firing at 1000 0С
after firing at 1500 0С

EN 1402-6

-0,15
0

%

Average thermal conductivity
service temperature 1000 0С

ASTM C 417

2,5

W.M-1K-1

 

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