Collar Clay

Description: REFRACTORY CLAY (CONVERTER CLAY)

Oxide	Analysis	Formula
CaO	0.10%	0.01
K2O	0.70%	0.05
MgO	0.20%	0.03
Na2O	0.10%	0.01
TiO2	0.70%	0.06
Al2O3	14.80%	1.00
SiO2	82.30%	9.44
Fe2O3	1.10%	0.05
Oxide Weight		689.19
Formula Weight		689.19

Notes

The data here refers to both Collar Clay and Converter Clay.

Service Temperature, (C): 1593
Bond Type: Heat
Weight to Place, Kg/cubic meter: 2035
Minimum time before firing, hours: 0
Maximum particle size, mm: 3.2
Storage Life: 6 months

Linear change after heating: (ASTM C-179)
110C -1.9%
538 -1.1
1093 +1.0
1500 +2.0

Cold M.O.R. (lb/sq. in) ASTM C-491:
110C 125
538 150
1093 256
1500 500

Cold Crushing Strength (lb/sq. in) ASTM C-133:
110C 420
538 480
1093 790
1500 1284

Related Information

Links

Typecodes	Clay Other Clays that are not kaolins, ball clays or bentonites. For example, stoneware clays are mixtures of all of the above plus quartz, feldspar, mica and other minerals. There are also many clays that have high plasticity like bentonite but are much different mineralogically.

By Tony Hansen
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