Grade – AT55

TECHNICAL DATA SHEET
Name of the product: andalusite goods
Classification: AT55
Properties
Unit Guaranteed value Typical value
Standard
Bulk density g/cm3 2,30 2,35 PN-EN993-1
Apparent porosity % 19 18 PN-EN993-1
Cold crushing strenght MPa 2,35 50 PN-EN993-5
Refractoriness under load t0,6 oC 1600 PN-69/H-04178
Refractoriness sP 177 PN-EN-993-12

Chemical analysis:

Al2O3

Fe2O3

%

54

1,9

55

1,8

PN-EN ISO 12677

The indicated technical data are for information only and are not to be viewed as guaranteed values.