Think of a place outside where you saw mud of a lighter color. Close your eyes and think about this…, give it a go a several times. No worries you wouldn’t be the only person in this situation. Source of fire clay from the nature– OK, maybe no one sells fire clay in your location. Where to find & collect fire clay in nature? weight tool, measuring units can be easily converted/calculated. In mass sense, even when in a dry powdered form with density of 1.303 gram/cm3 or correspondingly 0.753 ounce/cu-in, fire clay is still a heavy product when compared with cement for instance. Commonly Alumina content of fire clay ranges between 24% – 34% Al and Silica from 50% to 60 percent – percentage calculator. Even if it comes in dry powdered form in bags, fire clay is still very heavy (physical properties calculators for various refractory materials.) You only need one bag per dome if you buy the clay in dry powdered form. Whitish to yellowish, pinkish, light brownish. Fire clay is a normal mud, simple as that, but a mud with higher Alumina (AL) content. What is Fire Clay?įire clay in detail photo. But we are not going to space, at least not for now. Only special manufacturing technologies of those expensive materials change their properties and usage applications. Like heat resistant mortars, insulation, pottery, ceramics, ceramic blankets or ceramic tiles on space shuttle, origins of these start from the fire clay, its melting starts at 1600 Celsius ☌ or 2912 Fahrenheit ☏ point.
In fact all high heat resistant firebricks are made of fire clay.
All refractory are based on fire clay, what it contains, alumina and silica.
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