







🔥 Fortify your fireproof insulation with next-level toughness!
Rigidizer for Ceramic Fiber Coating is a high-performance colloidal silica compound designed to enhance ceramic fiber insulation by providing heat resistance up to 2300°F, superior abrasion and erosion protection, and improved thermal efficiency. Its low-viscosity formula allows easy application via brushing, spraying, or dipping, curing within 24 hours. Ideal for industrial uses such as forges, kilns, and furnaces, this 16 oz coating extends the lifespan and durability of ceramic fiber materials while reducing harmful particle release.







| Manufacturer | Spectra Overseas |
| Part number | RCB-12 |
| Item Weight | 630 g |
| Package Dimensions | 18.59 x 6.81 x 6.71 cm; 630 g |
| Item model number | RCB-12 |
| Size | 16 Oz (Pack of 1) |
| Colour | transparent |
| Material | ceramic fiber, colloidal silica |
| Item Package Quantity | 1 |
| Special Features | Heat Resistant |
| Specific uses | Repair, Flooring, Masonry, Countertop, Casting, Wall Repair, Table Top Coating |
| Batteries included? | No |
| Batteries Required? | No |
T**R
Handles all the heat thrown at it
Did what it said on the Tin. Easy to apply.
L**D
Easy to use, goes a long way
Easy to mix. I’d certainly recommend using a hand spray bottle to apply it rather than a brush. It seems to rigidise my thermal kiln blanket well and is economical.
J**S
Ridgedizer
I used this product on my furnace and it works very well.
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