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Description of Acid Resistant Castable

Acid-resistant castables are refractory materials mainly used in industrial furnaces and other equipment exposed to acid environments. They are composed of acid-resistant aggregates, binders and additives, possessing excellent acid resistance, high temperature resistance and mechanical strength.

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Kerui Acid Resistant Castable Technical Data Sheet

الصنف/الرتبة	NS-1.6	NS-1.8	NS-2.0
ω (SiO2) ≥/%	45	48	52
Bulk Density ≥/ (g/cm³)	1.6	1.8	2
Cold Crushing Strength ≥/MPa	5	8	10
Acid Resistance ≥/%	95	95	95
Thermal Conductivity Coefficient ≤ /[W/(m·K)] (350±25℃)	0.5	0.55	0.6
Service Temperature/℃	800	900	1000

Advantages of Acid Resistant Castable

1.Refractoriness: Suitable for high temperature kilns operating at approximately 950°C-1250°C (1742℉ to 2282℉). 2.Excellent Acid Resistance: Can withstand the erosion of various acids. 3.Good Fluidity: Easy to pour and form during construction. 4.Good mechanical strength: The cured acid-resistant castable has excellent compression and bending resistance. 5.Environmental protection: Harmless and renewable raw materials are selected for production, with international environmental management system certification.

Application of High Alumina Refractory Castable

Acid-resistant castables have wide applications. They are used in the lining of chemical reaction vessels to resist acid corrosion. In acid pickling tanks, they protect the tank walls. In sulfuric acid production plants, they are applied to furnaces and chimneys. Also, they are utilized in waste incineration plants to withstand acidic gases.