Gillespie Borate

The Gerstley Borate Substitute. This is a blended borate mineral; they claim it is better than the Gerstley it replaced, having fewer impurities.

Source: UK
Other details: 31% LOI

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

B2O3 25%, CaO 23%, 4% total alkali* There should be silica content, but they have not declared it.

*Typical analysis, supplied by the 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.

• Gillespie Borate SDS (PDF)
• Using Raw Materials