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🔥 Fortify your fireproofing with next-level thermal armor!
Spectra Overseas’ Colloidal Silica Rigidizer is a high-performance ceramic coating designed for refractory fiber products, delivering superior heat resistance up to 2300°F, exceptional thermal shock and erosion protection, and versatile application methods. Ideal for industrial furnaces and paper-making, it enhances material strength and stability while reducing airborne particles, covering approximately 384 square feet per quart.
| Manufacturer | Spectra Overseas |
| Part Number | RCB-07 (731..) |
| Item Weight | 1 pounds |
| Product Dimensions | 4 x 4 x 10 inches |
| Item model number | RCB-07 (731..) |
| Size | 1 Quart |
| Color | White |
| Material | Ceramic |
| Item Package Quantity | 1 |
| Coverage | Approximately 384 square feet (12 inches x 24 inches x 16 blankets, assuming 1 inch thickness and 1 quart covers 16 blankets) |
| Special Features | High temperature stability, high strength, resistance to thermal shock and erosion, high velocity resistance, reducing airborne particles |
| Usage | Industrial, Paper-making, Surface Treatment, Skidproof Surfaces |
| Batteries Included? | No |
| Batteries Required? | No |
C**R
It works well and is worth every penny
This stuff really works well. I did a couple of coats an still had a bunch left over. It really does help to lock in the foam. It dried very fast. I would 100% buy again but I won't have to because I still have a bunch. Great deal. Great heat retention. Easy to apply. Really toughens the foam, and it comes in a big bottle!
T**R
Works as advertised.
Works as stated in the description. I did a double saturation and it really firmed up the insulation very nicely. I would recommend this size for more than one small project and to maintain the rigidness of my original forge after several uses.
N**N
As advertised
Great colloidial silica sol for many purposes.
I**R
protect the insulation of the melting furnace
It soaks well and is durable when dry.
B**R
Good product
Only reason I didn’t give it a full 5* is because of drying time, works well, has good amount, just took days to dry for some reason
P**L
Great seller fast ship no issues
have not used it yet but I'm glad I read about it. Use it on all kaowool furnace blanket items. they will last a lot longer.
C**N
Satisfied with order
Works well to "fluff down" ceramic fibers. Can be brushed or sprayed on. Needs warm ventilation for a day to dry.
D**I
Easy to use and gets the job done
I was able to apply most of it with a handheld trigger sprayer, although after a while it became more difficult to spray down the kaowool. For some reason the solution wasn't shooting out of the nozzle as it was at first. The trigger sprayer was still able to work with plain water so no doubt it was whatever is suspended in the collodiial solution that might have affected the sprayer. The solution gave the kaowool a somewhat solid surface. It's actually more like crusted toast. The rest of it is still a bit springy, but the refractory wool isn't intended to act as any kind of structure. Most important is that the surface isn't fluffy and loose.
S**E
Couldn’t use the product half of the container was full of crystal and half water didn’t do anything to my ceramic blanket could of just put water it would of done the same!!! Really not satisfied
V**R
all good thanks
R**.
Used it in my little forge
B**B
Was a little skeptical because it came clear instead of the other rigidizers that are blue. But worked well and cured up in a day
C**T
Dont water it down as much as they say too. Add a little bit of food colouring, it helps with application.
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