Ceramic Moulding sand for foundry
Al2O3≥75%
Fe2O3≤5%
Tio2 :2.5%-3.5%
SiO2 :8-12%
Bulk density: 1.9-2.1g/cm3
Refractoriness: 1800 min oC
Shape Ball Shape ,Sand Shape
Angle Factor≤1.1 very close to ball or Sand Shape
Thermal expansion0.13%10 minutes at 1000
Size:AFS 18-140
Using: Manufacture high-quality risers of iron and steel foundries, Lost-foam, Precoated sand;, Sodium silicon sand , Resin sand, Precision casting etc.

Using

ZHENGZHOU STEELL METALCO.,LTD is a league company by middle-small scale manufacturer of Steel & Iron Industrial Chinese mid-west province.We focusing  Steel & Iron products and raw materials research and production . We have advanced heat treatment and dense extrusion technology. We strictly controlevery production link in accordance withinternational environmental standards,so our products pollutionfree and easy to transport and use and fine in quality and low in price. For easy to transport and use, also we could: calculation and design packaging as customers yard area and specific usage. Our main functional departments: 1)First grade laboratory, 2)Can analogue scene test products- Experiment . Process Works , 3)Business office. Business office functional scope: Product sales, marketing and after-sales service; Purchasing mass goods for Steel and Iron making ;Warehouse management and import/export trade.</p>