Foundry grade Zircon sand/Zircon Sand &zircon powder for casting industries
Zircon Sand Description
Zircon sand, also known as zircon sand and zircon, is a mineral composed mainly of zirconium silicate (ZrSiO4). Pure zircon sand is a colorless transparent crystal. It is often dyed yellow, orange, red, brown, etc. due to different origins and different types and types of impurities. The crystal structure is tetragonal and has a quadrangular pyramid shape.
Zircon Sand Features
Zircon sand is a mineral composed of zirconium, silicon and oxygen crystallized from magma, mainly formed by igneous rocks. Zircon is also produced in the veins and metamorphic rocks. It is a tetragonal system, often in the form of a well-developed cone-shaped small square cylinder, which is also irregularly granular.
Zircon Sand Application
Zircon sand is extremely resistant to high temperatures and has a melting point of 2,750. And resistant to acid corrosion. 80% of the world’s direct use in the foundry industry, ceramics, glass industry and the manufacture of refractory materials. A small amount is used in ferroalloys, pharmaceuticals, paints, leather, abrasives, chemicals and nuclear industries. A very small amount is used to smelt metal zirconium.
Zircon Sand Specification
Chemical Composition | Ministry-issude Standards for zircon sand products | |||||||
Advanced sand | Super | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | ||
(Zr.Hr)O2 | ≥66.00 | ≥65.00 | ≥65.00 | ≥65.00 | ≥63.00 | ≥60.00 | ≥55.00 | |
TiO2 | ≤0.08 | ≤0.15 | ≤0.50 | ≤1.00 | ≤2.50 | ≤3.50 | ≤8.00 | |
Fe2O3 | ≤0.06 | ≤0.10 | ≤0.25 | ≤0.30 | ≤0.50 | ≤0.80 | ≤1.50 | |
SiO2 | ≤32.00 | ≤32.00 | ≤34.00 | ≤34.00 | ≤33.00 | ≤32.00 | ≤31.00 | |
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