Narco Fireclay

Oxide	Analysis	Formula
CaO	0.13%	0.01
K2O	2.20%	0.08
MgO	0.60%	0.05
Na2O	0.30%	0.02
TiO2	1.75%	0.07
Al2O3	31.20%	1.00
SiO2	52.70%	2.87
Fe2O3	1.84%	0.04
LOI	9.58%	n/a
Oxide Weight		296.58
Formula Weight		328.01

Low plasticity fireclay, good for sculpture. Very refractory (10% absorption, 12% total shrinkage at cone 10)

Related Information

Materials	Fireclay
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.

By Tony Hansen
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