High Purity Hydrated Lime/Ca(OH)2 Calcium Hydroxide with good price

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20000 m.t/month

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Specifications

1.Calcium hydroxide
2.Cas no.:1305-62-0
3.Purity:offwhite graules
4.Conent 95% min /98% min
5.25kgs per bag

 calcium hydroxide

Description

calcium hydroxide is a kind of grey powder. It consists of calcium oxides, silicon dioxide, ferric oxide and little other ingredients. When  mixed with appropriate water and poured into the pre-drilled holes, it will start to expand after half an hour, the expanisve power is increasing as time goes on. It can get 100-123 Mpa expansive power after some hours. Generally, the rock or concrete belongs brittle material, their tensile strength are far less than the compressive strength (for the tensile strength, rock is 1.96-30Mpa while concrete is 1.5-4.0 Mpa, they are equal to 1/10-1/20 of their compressive strength). Therefore, reasonable hole design can easily crack the rock and concrete or reinfored concrete by our BREAK-AG. As usal, it can crack the materials in around 2-24 hours. It is soundless, non-explosive, no noise, no vibration, no flying rock during the process of demolition.

Application

1. Mainly adjust acid waste water pH value, widely used for electroplate, chemical industry, circuit board, pickling, printing & dyeing and paper making, industries waste water treatment.

2. Used to remove phosphate,most of the heavy metal and ammonia nitrogen etc.

3. Used for tanning and mining industry etc.

Type Of TestStandardObserved
DescriptionWhite light powderWhite light powder
Assay(Min.) 96.0%96.58%
Calcium carbonate (as CaCO3)<3.0%2%
Substance insoluble in HCl<0.1%<0.1%
Chloride (Cl)<0.03%<0.03%
Sulphate (SO4)<0.1%0.08%
Iron (Fe)<0.05%<0.05%
Heavy metals (as Pb)<0.005%0.004%
Substance not precipitated by
ammonium oxalate (as SO4)<2.5%<2.5%

Package, transportation and storage

 

 Package: Packed in 25 kilograms craft paper bags.
 Transportation: the product should be protected from damp, rainfall and package damage in transportation.
 Storage: at dry warehouse with good ventilation.

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Q:What is the role of alkaline powder
Hair thicken
Q:Does the alkaline battery pollute the environment?
China Battery Industry Association executive vice president and secretary general Wang Jingzhong pointed out: "green alkaline alkaline manganese battery products," the introduction of China's alkaline manganese batteries marked the main environmental indicators have reached the world advanced level. This time the introduction of alkaline manganese battery brand, the battery mercury content of 0.0001% below, and not contaminated soil mercury content close. Waste batteries have little impact on the environment. According to the State Environmental Protection Administration on October 9, 2003 announced the "waste battery pollution control technology policy" provides that the waste mercury-free alkaline manganese batteries can be mixed with domestic waste collection and landfill.
Q:What is the big base?
Large alkali is the main component of sodium carbonate.
Q:What is alkali sand
Potassium carbonate, white crystalline powder. Density of 2.428g / cm3. The melting point of 891 ° C, the decomposition of boiling point, the relative molecular weight of 138.21. Soluble in water, aqueous solution is alkaline, insoluble in ethanol, acetone and ether. Hygroscopicity, exposure to air can absorb carbon dioxide and moisture, into potassium bicarbonate, should be sealed packaging. Hydrates have a water, dihydrate, sour things. Potassium carbonate aqueous solution is alkaline. Insoluble in ethanol and ether.
Q:What is the role of alkali in the surface
Related to the crowd: the general population can edible production guidance: 1. Alcohol can remove the salad in the oil, the method is to wait until with the aroma of salad oil heated to hot, put a certain amount of soda ash, slowly with chopsticks Even can be; 2. Alcohol can remove the dough's sour taste, and can make the bread bulky white, but can not add too much, otherwise the bread will become yellow or crack, the taste will become bitter. Heat, taste bitter; with dehumidification, the food stagnation, detoxification of the role of acid. Note: 1. Do not put the food in the lye soak, so as to avoid raw materials rot, as long as the appropriate concentration of alkaline water will be repeated washing Several times can be; 2. Alkali is inorganic, itself does not have any nutrients, but the role of food cooking can not be underestimated, alkali solution of the electrolyte is the electrolyte, so that food raw materials (such as squid) in the protein molecules in water Ability to enhance the speed of raw materials to speed up, but should pay attention to master the amount of alkali, methods and time to prevent food raw material was too thoroughly, too bad or even deterioration.
Q:What is alkali?
What is the alkali is the ionic compound, the ionization of the anion is hydroxide (OH-), in fact, the oxygen ion acid root (which can compare sulfur and sulfur), and the anion contains only hydroxide. (Such as LiOH, NaOH, NH3 · H2O) soluble in water, alkaline earth metal ions formed in the periodic table from top to bottom gradually soluble [Be (OH) 2, the alkali metal ions or alkali ions, Mg (OH) 2 is insoluble, Ca (OH) 2, Sr (OH) 2 is slightly soluble, and Ba (OH) 2, Ra (OH) 2 is easily soluble, and other bases are in addition to TlOH and Tl (OH) Is difficult to dissolve alkali and acid metathesis reaction is also known as neutralization reaction, that is, H + + OH- == H2O
Q:What is white alkali?
White alkali is dough (soda, soda ash), scientific name sodium carbonate, chemical formula Na2CO3.
Q:What is the alkaline powder? Baking soda? Sodium carbonate or something else?
Bicarbonate NaHCO3, is solid, powder is more common, commonly known as baking soda powder is weak alkaline substances, can inhibit the growth of fungi was originally used as a production of bread fermentation ... ...
Q:How to go to the base of the teapot
With a rinse rinse just fine
Q:What is alkali active aggregate?
The active aggregate is the active mineral fine admixture can promote the cement hydration product further transformation, improve the hardened concrete pore structure, improve the concrete compact performance

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