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

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Product Description:


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


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.


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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