Skagit X Fireclay

Alternate Names: Skagit Fireclay

Oxide	Analysis	Formula	Tolerance
CaO	0.30%	0.02	.1
K2O	0.50%	0.02	.1
MgO	0.30%	0.02	.1
Na2O	0.50%	0.03	.1
TiO2	2.00%	0.08	.5
Al2O3	32.50%	1.00	1.5
SiO2	62.00%	3.24	2
Fe2O3	2.50%	0.05	.5
LOI	0.35%	n/a
Oxide Weight		315.73
Formula Weight		316.84

Notes

A general purpose high duty refractory brick with good resistance to spalling.
To create plasticity of a typical pottery body 17-18% water is needed.
It has moderate plasticity and a low drying shrinkage.
It has some 8-10 mesh particles.

Related Information

Skagit Fireclay PSD test

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Particles from each category in a particle size distribution test of Skagit Fireclay

Skatgit Fireclay test bars

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Fired from cone 8-11 and 10 reduction (bottom to top). A refractory material.

Links

Materials	Fireclay
Typecodes	Refractory Materials that melt at high temperatures. These are normally used for kiln bricks, furniture, etc. or for ceramics that must withstand high temperatures during service.
Typecodes	Fireclay Fireclays are non-kaolin non-ball clay materials similar to stoneware clays but lacking fluxing oxides. Many fireclays have a PCE of 28 or more.
URLs	http://www.clayburngroup.com/files/File/Technical_Data_Sheets/Dense_Firebrick/SkagitX.pdf Skagit Fireclay Data Sheet

Data

Shrinkage/Absorption Test	91.02
Shrinkage/Absorption Test	95.55
Shrinkage/Absorption Test	41.6
Shrinkage/Absorption Test	43.84
Shrinkage/Absorption Test	8.0
Sieve Analysis Wet	+35 mesh: 13.0 35-48: 5.0 48-65: 5.0 65-100: 5.0 100-150: 3.5 150-200: 4.0 200-325: 6.0
Drying Factor	B120
Bulk Density lbs/cu. ft. (Packed)	124-129
Drying Shrinkage	4.5
Pyrometric Cone Equivalent	32
Modulus of Rupture - Fired	700-1200 lbs/in2

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