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1,Description of Magnesium Castable for Tundish:
As a working lining material, the product has no pollution to the molten steel in the process of use, does not introduce new inclusions, and can clean the molten steel to a certain extent. The product has high strength, strong resistance to alkaline solid and gaseous slag corrosion, and large heat capacity. It is mainly composed of coating materials, spraying coatings and dry ramming materials
As the Tundish Working Lining in direct contact with molten steel, the magnesium amorphous material should have the following properties:
It does not pollute molten steel, and can even purify molten steel. It has strong corrosion resistance and scouring resistance to molten slag and molten steel. It can prolong the continuous casting time as much as possible. It is easy to disassemble after use, convenient and fast to construct, and speed up the turnover of tundish.
It is produced with fused or sintered magnesia as the main raw material and inorganic composite binder, which is fully mixed with scientific ingredients, and is widely used in the cladding wall and bottom.
2,Index of Magnesium Castable for Tundish:
Item | Magnesian | Magnesian-calcium | |||
Model | JMG-85 | JMG-90 | JMGC-70 | JMGC-60 | |
Chamical composition% | MgO | ≥85 | ≥90 | ≥70 | ≥60 |
CaO | ---- | ---- | ≥15 | ≥25 | |
Bulk density g/cm³ | 200℃*8h | ≥2.2 | ≥2.4 | ≥2 | ≥2 |
1500℃*3h | ≥2.3 | ≥2.5 | ≥2.1 | ≥2.1 | |
Crushing strength MPa | 200℃*8h | ≥12.0 | ≥12.0 | ≥15.0 | ≥15.0 |
1500℃*3h | ≥12.0 | ≥13.0 | ≥12.0 | ≥12.0 | |
3,Characteristics of Magnesium Castable for Tundish:
1)In the process of using the product, the main mineral facies is periclase, which effectively resists the erosion of alkaline slag.
2)The products are packed in waterproof plastic woven bags, which are moisture-proof and waterproof during storage.
4,Product knowledge:
As a dry castable for Tundish Working layer, it should have the following properties.
1)It does not pollute the molten steel,and can even purify the molten steel.
2)It has strong corrosion resistance and erosion resistance to molten slag and molten steel.
3)Extend the continuous casting time of tundish as much as possible and it is easy to disintegrate after use
4)Convenient construction
5,Product construction:
Magnesium dry material in tundish is constructed by vibration forming and heating solidification. The products are made of organic and inorganic composite binders, and the organic binders will decompose at a certain temperature and lose their binding effect,Therefore, the environmental temperature during construction is required to be less than 60℃.The thickness of the product during construction is 50-60 mm at the bottom and 100-120 mm at the impact zone.
6.Good feedback of product use effect,the products have been exported to Pakistan, Russia, Australia
7.We are a professional supplier, who can provide customers with free product technology, use and other issues.
Do you want to find a professional supplier of castable products?
Do you want to find a stable and credible supplier?
Then please contact with us
Contact me:Email:wp@cnjingganrefractory.com/sdwenping@163.com
TEL: 86-0533-4188518 / FAX: 86-0533-4188518
Rose:+86-13275332819(wechat/whatsapp number)
Relying on our dedication and expertise in the industry, we use the most professional industry background to tailor the best solution for each customer, and strive to become the first-class supplier of Corundum Based Low Cement Refractory Castable at home and abroad. We insist on taking scientific and technological innovation as the driving force and always take the road of technologically prosperous enterprises. Only by attaching importance to international exchanges and cooperation and mastering the most cutting-edge information in the world can the company achieve rapid development better and faster.
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