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2.5 Micron Grey 70% Powdered Calcium Oxide Masterbatch

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2.5 Micron Grey 70% Powdered Calcium Oxide Masterbatch

Brand Name : YD

Model Number : cao

Certification : ALL

Place of Origin : CHINA

MOQ : 10TONS

Price : Negotiable

Payment Terms : T/T, L/C

Supply Ability : 3000MT/MONTH

Delivery Time : 20Work days

Packaging Details : Bag,Ton Bag

Form : Powder

Colour : White

Ingredient : PE,CaO,CaCO3

Grade : Industrial

Texture : Plastic

Melting (℃) : 130℃~140℃

Effective Ingredient Content : ≥98%

Water Absorption : 20% Of Self-weight

Valid Time : 12~48 Hours After Bags Open

Recommended : 1%-5%

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Good Calcium Oxide for Cement Making Raw Material , Calcium Oxide , white powder , CaO,CaCO3


Calcium Oxide Used For Cement Making Raw Material

DESCIPTION:

Calcium oxide (CaO), commonly known as quicklime 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.

SSPECIFICATION:

Itemsvalue
Appearancegranular
Colorgrey
Calcium Oxide content70-80%
CarrierPE/PP
Water absorption20%
Moisture absorbent weight20~25±1,0%
MFI(230°C/10min)5~10g/10min
Melting Point (°C)120ºC
Density(g/m³)1.4+/-0.1g/m³
Volatility1.5+/-0.5%
Pellet size of Masterbatch2.5micron
Addition Rate(%)2-5%
Packing (Net weight)25 Kg/ bags Vacuum packaging
Time to keep in Mixture20 to 48 hours

APPLICATION/USAGE:
Light: When quicklime is heated to 2,400 °C (4,350 °F), it emits an intense glow. This form of illumination is known as a limelight, and was used broadly in theatrical productions before the invention of electric lighting.
Cement: Calcium oxide is a key ingredient for the process of making cement.
As a cheap and widely available alkali. About 50% of the total quicklime production is converted to calcium hydroxide before use. Both quick- and hydrated lime are used in the treatment of drinking water.
Petroleum industry: Water detection pastes contain a mix of calcium oxide and phenolphthalein. Should this paste come into contact with water in a fuel storage tank, the CaO reacts with the water to form calcium hydroxide. Calcium hydroxide has a high enough pH to turn the phenolphthalein a vivid purplish-pink color, thus indicating the presence of water.
Paper: Calcium oxide is used to regenerate sodium hydroxide from sodium carbonate in the chemical recovery at Kraft pulp mills.
Plaster: There is archeological evidence that Pre-Pottery Neolithic B humans used limestone-based plaster for flooring and other uses.Such Lime-ash floor remained in use until the late nineteenth century.
Chemical or power production: Solid sprays or slurries of calcium oxide can be used to remove sulfur dioxide from exhaust streams in a process called flue-gas desulfurization.
Mining: Compressed lime cartridges exploit the exothermic properties of quicklime to break rock. A shot hole is drilled into the rock in the usual way and a sealed cartridge of quicklime is placed within and tamped. A quantity of water is then injected into the cartridge and the resulting release of steam, together with the greater volume of the residual hydrated solid, breaks the rock apart. The method does not work if the rock is particularly hard.





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