Shizuishan Jin Lin Corundum Refractories Co., Ltd.

China Manufacturer with main products: White Corundum, Brown Corundum, Black Corundum, Silicon Carbide, Quartz Sand, Activated Carbon

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High alumina cement

FOB Price: 250.00 - 1,200.00 USD/Ton
Supply Ability: 1,000 Ton(s) per Month
Shipping: Ten days
Payment Terms: L/C, T/T
In Stock
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Ningxia in China
Packaging Details: 25 kg woven bag packaging, also can be customized according to customer request packaging!

Specifications

 

High alumina cement

Also known as alumina cement, high alumina cement refractory cement, aluminate cement, collectively known as aluminate cement, bauxite and limestone as raw material, after the calcination of calcium aluminate as main ingredients, alumina content is about 50% of the clinker, again into the water rigid gelled material. High alumina cement is often yellow or brown, and gray. Shizuishan Jin Lin corundum refractories co., LTD., the production of high alumina cement has a rapid hardening, early strength, corrosion resistance, resistance to high temperature of the water rigid gelled material; It is a kind of high-quality building materials, is also a kind of loose refractory for gelling property, in metallurgy, building materials, oil chemical, electric power, food and other industries has been widely used.

 

Characteristics of high alumina cement

1, fineness, cement particle is fine, the bigger the specific surface area, the faster the hydration reaction more fully, the early and late strength is higher. The provisions of the state: the specific surface area should be more than 300 square meters/kg, otherwise is unqualified.

2, setting time, in order to guarantee the construction have enough time to complete mixing, transportation, forming a variety of craft, such as the initial setting time of cement shoulds not be too short; After the completion of the engineering project, the hope cement hardening, as soon as possible to produce strength, so the final setting time shoulds not be too long. The initial setting time of Portland cement shall not be earlier than 45 minutes, final set time not later than 390 minutes.

3, volume stability, water slurry uniformity of volume change in the process of condensation sclerosis called the volume stability of cement. Such as volume change uneven or volume stability, prone to warping and cracking, reduce the engineering quality and even an accident.

4, sulfate attack resistance is strong, hydration process instead of free calcium hydroxide precipitation generated aluminum hydroxide gels, the particles form a protective film. Later in the crystal transformation in the process of the erosion resistance decreases.

5, good high temperature resistance, high alumina cement can be used as heat resistant concrete cementitious materials, configured to heat resistant concrete.


High alumina cement applican

Jin Lin alumina cement is also known as aluminate cement, refractory cement, the equivalent of 625 # cement, because of its excellent fast setting, high strength, high temperature resistance characteristic, a day strength can reach 80%, up to 1450 degrees refractoriness, refractory concrete strength can reach 55 mpa, is the excellent high temperature industrial kiln project one of binder materials.

1. Preparation of monolithic refractories.

2. Make plaster alumina expansive cement, self-stressing cement cement and other special purposes.

3. The scrambling, repair, resistance to sulfate erosion and winter construction engineering and other special needs.
High alumina cement

Gelation bulk refractory high alumina cement from this supplier

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