Molds
FLINT 90 (140 MESH)
From Creative Insight Pottery
In stock online$15.00
CAD, plus 13% HST at cart
Online option: 5KG
Online direct shipping.
This page does not promise that the item is stocked at the Waterdown studio or available for pickup.
About this pottery supply
Silica. SiO2. Silicon dioxide. Flint. Ground quartz rock. A relatively coarse powdered grade ideally suited for use in clay bodies to thwart crazing and to reduce clay shrinkage. Good for making molds for glass when mixed ~50:50 with Pottery No. 1 Plaster. About 99.7% pure silica.
For more information on silica, see the Digitalfire.com Reference Library of ceramic materials.
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Product and ordering questions
Is FLINT 90 (140 MESH) currently available?
Yes. The default online option for FLINT 90 (140 MESH) was in stock when this live product page was generated. Availability is checked again when it is added to the cart.
Is HST included in the displayed price?
No. Supply prices are shown before tax. The applicable 13% HST is added by the cart and shown before payment.
Can I pick this item up at the Waterdown studio?
This online listing does not promise studio inventory or pickup. Pottery supply orders are sold for direct shipping to customers.
Can I choose another size or option?
The current storefront sells the default option shown on this page. Other supplier options are not advertised until the storefront can support selecting them through cart and checkout.
Product price and default-option availability verified from the live supply source at Aug 26, 2026, 5:16 p.m..