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Sheffield Pottery

Barnard Blackbird Clay Substitute Sg758 10 Pound Bag Dry

Regular price $160.00
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SKU : RMBLASUBSG758
Item Class: RAW MATERIALS
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BARNARD BLACKBIRD SUBSTITUTE SG758 25lb Bag

10 Pound Bag:Please call 888.774-2529 to order smaller or larger quantities of this Barnard clay substitute.

This is a blend of minerals that closely simulates Barnard (Blackbird) Clay, a widely used clay that contains iron and manganese.

Typical analysis:
SiO2 30.37%
Fe2O3 26.27%
Al2O3 20.52%
MnO 8.72%
K2O 1.68%
CaO 0.59%
MgO 1.07%
TiO2 1.06%
NaO 0.52%
LOI 8.85%

This material was developed to mimic the effects of Barnard clay when used as a wash or when used in clay body formulations. Though it can be added to glazes as a substitute material, its effects may vary from the original.

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