Gerstley Borate

  • Sale
  • Regular price $2.31
Estimated shipping calculated at checkout.

Gerstley Borate is a sodium-calcium-borate compound used as a flux in glazes in low temperature to hep prevent crazing.  It is used to introduce boric oxide in an insoluble form and as a more stable substitute for colemanite.

Comes in 50-pound bags. The price listed is the maximum per pound cost. We reserve the right to change pricing without notice due to the current market conditions. See table below for full-bag and quantity discounts.

Quantity Discount
5 lb. -9.0%
10 lb. -18.0%
25 lb. -25.0%
50 lb. -33.0%
100 lb. -42.0%
500 lb. -50.0%
1000 lb. -52.0%
2000 lb. -54.0%
6000 lb. -58.0%

Discounts not shown at Checkout.  Our staff will enter applicable discounts after receiving your order and before billing.

Please select/type in the number of pounds you would like to order.