Henan Kingway Chemicals Co., Ltd.
Main products:Aluminum hydroxide,Rubber Antioxidant IPPD,Polyaluminium PAC,Synthetic Calcium Aluminnate Slag
Contact Us
  • Contact Person : Mr. LIU Randall
  • Company Name : Henan Kingway Chemicals Co., Ltd.
  • Tel : 86-371-65336572
  • Fax : 86-371-65336188
  • Address : Henan,Zhengzhou,B908, Xingye Mansion, No. 22, Nongye Rd.
  • Country/Region : China
  • Zip : 450008

Casting protective slags base material

Casting protective slags base material
Product Detailed
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Casting Covering Flux Base


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Covering Flux Base is made from silica and limestone as main raw materials, and fused in EAF, and finally formed into fused cryptocrystalline glass material; It is the perfect protective slags base material in metallurgical continuous casting, and also a raw materials of welding rod’s coating.

Covering Flux Base includes premelted type and premelted & water quenching type.

With advantages of improving scorification equality, no dust and environmental protection

Appearanceblack or dark green grains


Main chemical: calcium sillicate

CaO: 36-49%; SiO2: 36-45%; Al2O3: 4.5% max; Fe2O3: 0.5% max; MgO: 7% max; Na2O: 9% max; F: 16% max; BaO: 12% max; P/S: 0.05% max etc.

Other specification can be adjusted by customers’ requirement

Size: 0-10mm

Performance of Covering Flux

In the casting process, the covering flux powder or grains are added on the surface of crystallizer molten steel. Other functions as follows:

Thermal insulation and retardation

Air isolation

Molten steel purifying

Lubrication between crystallizer and solidification shell

Improving crystallizer heat transfer


1000KG bags or 1200KG bags

Casting protective slags base material

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