High Alkaline Frit

Primarily, it contains a lot of sodium and a little potassium as the flux part. It can be used for both earthenware and stoneware glazes, although it begins to melt at low temperatures. Often used in raku glazes.

Recommended Firing window: 860°C +
Source: UK
Origin: Spain

For advice and further reading, read our 'Using Raw Materials' PDF.

SiO2 50-60%, Na/K 15-25%, Al2O3 5-15%, B2O3 5-15%, CaO/MgO 1-10%*

*Typical average analysis, supplied by supplier.

Considered a nuisance dust; therefore, we recommend wearing an FFP3/P3 Mask. Keep working areas free of dust by cleaning up with a damp sponge.

Children should not work with raw materials.

See the SDS in the product attachments for more information.

• High Alkaline Frit SDS (PDF)
• Using Raw Materials