Ceramic sand has more advantages as drainage sand

Subsidiary Classification： Company News

Subsidiary Classification： Industry Information

Release time：2024-01-20

Ceramic sand as ladle drainage sand, the effect is remarkable, the following is the commonly used drainage sand contrast:
1. Silica sand
The expansion rate is large, the nozzle is sticky, the self-opening rate is low, the reaction with alkaline molten steel is low, the melting point is 1700, and the leakage is small.
2. Chrome ore
High-purity chromium ore is difficult to buy and high price, sintering reaction is intense bubble, high temperature oxidation conditions of large volume expansion and produce a certain six-valent chromium poisoning gas, sintering is good, high self-opening rate.
3. Magnesium olivine sand
The technology is immature, the raw material quality is high, and it is difficult to purchase. When lf is refined with high alkalinity, the melting point is 1890, the self-opening rate is good, and the price is moderate.
4. Ceramic sand
Mature technology, low expansion rate, high melting point and high 1890, neutral pH value, no acid and alkali corrosion, good fluidity, and moderate price.

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