API 935 : 1999
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
THERMAL CONDUCTIVITY MEASUREMENT STUDY OF REFRACTORY CASTABLES
09-23-1999
09-01-1999
1 Executive Summary
2 Introduction
3 Test Methods
3.1 Water Calorimeter
3.2 Calorimeter
3.3 Hot Wire C 1113-90
3.4 Comparative Thermal Conductivity Tester
3.5 Furnace Panel
4 Materials
5 Sampler Preparation
6 Data
7 Conclusions
7.1 Different Procedures Yield
Different Results
7.2 Ascending Thermal Conductivity
Curves Differ from Descending
Thermal Conductivity Curves
8 Recommendations
Appendix Athermo-Gravimetric Analyses
Figures
A-1 Thermo-Gravimetric Analysis (TGA)
Cement Bonded Castable
A-2A Dense (135 - 140 Ib/ft3) Erosion-Resistant
Castable Ascending Thermal Activity
A-2B Dense (135 - 140 Ib/ft3) Erosion-Resistant
Castable, Descending Thermal Conductivity
A-3A Dense (165 Ib/ft3) Extreme Erosion-Resistant
Castable Ascending Thermal Conductivity
A-3B Dense (165 Ib/ft3) Extreme Erosion-Resistant
Castable Descending Thermal Conductivity
A-4A Fused Silica Castable, Ascending Thermal
Conductivity
A-4B Fused Silica Castable, Descending Thermal
Conductivity
A-5A Lightweight (55 - 60Ib/ft3) Insulating Castable
Ascending Thermal Conductivity
A-5B Lightweight (55 - 60 Ib/ft3) Insulating Castable
Descending Thermal Conductivity
A-6A Medium Weight (70 - 85 Ib/ft£3) Insulating Castable
Ascending Thermal Conductivity
A-6B Medium Weight (70 - 85 Ib/ft3) Insulating Castable
Descending Thermal Conductivity
A-7A Moderate Density (100-120 Ib/ft3) Moderate Erosion-
Resistant, Castable Ascending Thermal Conductivity
A-7B Moderate Density (100-120 Ib/ft3) Moderate Erosion-
Resistant Castable Descending Thermal Conductivity
TABLES
A-1 Thermal Conductivity Dense (135 - 140 Ib/ft3)
Erosion-Resistant Castable Btu in/hr ft2 degrees F
A-2 Thermal Conductivity Dense (165 Ib/ft3) Extreme
Erosion-Resistant Castable Btu in/hr ft2 degrees F
A-3 Thermal Conductivity Fused Silica Castable
Btu in/hr ft2 degree F
A-4 Thermal Conductivity Lightweight (55- 60 Ib/ft3)
Castable Btu in/hr ft2 degrees F
A-5 Thermal Conductivity Medium Weight (70 - 85 Ib/ft3)
Insulating Castable
A-6 Thermal Conductivity Moderate Density/Erosion
Resistant Castable (110 Ib/ft3) Btu in/hr ft2
degrees F
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