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calcium oxide
Calcium Oxide（CaO）, commonly known as quick lime or burnt lime, is a widely used chemical compound. It is a white, caustic, alkaline, crystalline solid at room temperature. The broadly used term lime connotes calcium-containing inorganic materials, in which carbonates, oxides and hydroxides of calcium, silicon, magnesium, aluminium, and iron predominate. By contrast, quicklime specifically applies to the single chemical compound calcium oxide. Calcium oxide that survives processing without reacting in building products such as cement is called free lime.
Because of vigorous reaction of quicklime with water, quicklime causes severe irritation when inhaled or placed in contact with moist skin or eyes. Inhalation may cause coughing, sneezing, labored breathing. It may then evolve into burns with perforation of the nasal septum, abdominal pain, nausea and vomiting. Although quicklime is not considered a fire hazard, its reaction with water can release enough heat to ignite combustible materials.
| Grade | MgO (min.) | SiO2(max.) | CaO (max.) | Fe2O3(max.) | Al2O3(max.) | L.O.I. | Mesh |
| A | 95% | 1.20% | 1.50% | 0.50% | 0.10% | 1.70% | 0-325 |
| B | 94% | 1.50% | 1.80% | 0.58% | 0.12% | 2.00% | |
| C | 92% | 1.80% | 1.90% | 0.60% | 0.20% | 3.50% | |
| D | 90% | 2.50% | 2.50% | 0.75% | 0.25% | 4.00% | |
| E | 85% | 3.70% | 3.50% | 1.00% | 0.47% | 6.00% |
25KG paper-plastic composite bag, or as orders. Its powder can absorb the moisture and become the block matter, thus it should
be kept in dry, cool and ventilating place. The product warranty is 24 months.
ZiboYiyuan Group Work Win Co., Ltd. is a leading manufacturer and provider of total integrated supply chain solutions. We offer the best chemical products for the orders.
We have a multilingual team, and many big branch factories. A regional market presence-including southeast Asia, Indonesia, Russia, Spain, Chile, Brasil, Australia etc.
Group Work Win strives to build a long term relationships by providing our customers with continuous and reactive support. We aim to supply better quality products and after-sales service.
Q1：Do you supply FREE sample?
A1：FREE sample is ok, but the sample delivery fee is on your side.
Q2：What's your payment term?
A2：1, T/T, 30% prepaid, the balance 70% will be paid when the products are ready!
2, L/C
3, D/P
Q3：What's your delivery time?
A3：Generally it is 3-7 working days after receiving your deposit.
Q4：How long have you been involved in this chemical field?
A4：yy.comSince 2003. So we enjoy much experience, can take care your cargo very well!
Q5：Can you supply relative document?
A5：Of course, we can supply MSDS, COA, CO, commerical invoice, packing list, B/L...
If your markets have any special requirements, pls just let me know freely!
Q6：Do you accept third party inspecition?
A6：Yes, we do!
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