A primary ingredient in a glaze, as a flux.
£9.02 ex. VAT
Colemanite is a natural source of boron and calcium and is a powerful melter. If you use too much it can cause a glaze to delayer from a ware (decrepitation).
It is advisable to sieve with 200# mesh and remove coarse materials.
Source: UK
For advice and further reading read our 'Using Raw Materials' PDF.
B2O3 50.80%, CaO 27.30%*
*General analysis, not supplied by the supplier.
Colemanite is considered a nuisance dust; therefore, we recommend wearing a P3 Mask. Keep working areas free of dust by cleaning up with a damp sponge.
In keeping with our overall general advice, we suggest wearing full PPE when handling raw materials. This includes a mask, safety
glasses, and gloves. We also suggest working in a well ventilated area.
It is a sensible precaution for children not to work with raw materials.
See the SDS in the product attachments for more information.
