RCC-3 Clay Powder 30 lb
- In stock
- Inventory on the way
RCC-3 is a ground refractory clay powder for high-temperature repair, refractory mixtures, and masonry projects where a fire-resistant clay component is needed. It is useful for fireplaces, ovens, kilns, furnaces, forges, and other heat-exposed installations.
Automatic savings at checkout
Orders over $300 receive 2% off automatically. Sign in or create an account before checkout to receive 1% off, or 3% off on orders over $300.
Sign in or create an account before checkout to unlock registered customer savings.
Quick specs
- Material type: ground refractory clay powder
- Package size: 30 lb bag
- Use: refractory mixtures, clay-based repairs, masonry work, and heat-resistant lining support
- Preparation: mix according to your project formula or refractory repair method
- Best for: custom mortar mixes, clay repairs, refractory maintenance, and high-heat masonry projects
How to choose it
- Choose RCC-3 when you need refractory clay powder rather than a ready-to-use cement.
- For setting firebricks, MORTACLAY-40d may be the better direct mortar option.
- For small adhesive or patch repairs, compare R-Mort and R-CEM ready-to-use products.
Shipping note
This is a heavy refractory material, and shipping cost can vary by destination. Use the cart shipping preview before checkout. For larger quantities or orders over 700 lb, please review our Shipping & Bulk Orders page or contact us before placing the order.
FAQ
Is RCC-3 a ready-to-use cement?
No. It is refractory clay powder and should be mixed according to the project requirement.
Can it be used for oven and fireplace projects?
Yes, it is intended for high-temperature refractory applications when used in the correct mix or repair method.
How much do I need?
Quantity depends on the formula, repair depth, and project size. Contact us for larger projects.
Couldn't load pickup availability




RCC-3 Clay Powder 30 lb
Wonderful clay — I used it to seal the joints in the masonry of my wood-fired oven.
