Description
Chemical Analysis
Health & Safety & Disposal

Description

A secondary flux in glazes and occasionally used as an opacifier. The essential constituent used to produce translucency in bone china bodies. Typically made from ground, calcined animal bones, bone ash is a source of calcium phosphate.

This is a natural product. Our supplier states: "The material that we supply is a naturally occurring crystalline mineral powder, in the form of Hydroxyapatite (HYA), Ca10(PO4)6(OH)2, that is classified by UK and EU Customs as a ‘ground natural calcium phosphate'"

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Chemical Analysis

Ca3(PO4) 2

Health & Safety & Disposal

When handling powdered ceramic materials, you must wear an FFP3/P2 face mask and nitrile gloves to prevent inhalation and skin contact.
Wear a wipeable apron, polyester overalls, or similar. Clean or wash frequently.
Always clean your studio with a wet sponge rather than sweeping to stop dust from becoming airborne.
When preparing glazes, add the dry material to water, not vice-versa, to minimise dust formation.
Do not allow eating and drinking in the studio and thoroughly wash hands when leaving.
Never eat, drink, or apply cosmetics in areas where clay or glazes are handled.
Ensure emergency eye-washing facilities are available in the room.
Review official guidelines regarding studio ventilation and chemical management routinely.

Bone ash is primarily composed of calcium phosphate. It is classified as non-hazardous for transport, but it acts as a mild skin and eye irritant and can cause respiratory irritation if dust is inhaled.

Dispose of as normal industrial waste, in accordance with local/regional/national/international regulations.