21645-51-2 98% Whiteness Chromium Metal Powder
Hydrated Lime Calcium Hydroxide , Limestone Powder , Chromium Metal Powder , Powdered Calcium Hydroxide
Product description
Calcium hydroxide is a kind of white or 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.Chemical formula Ca (OH) 2 is a compound created by mixing calcium oxide with water commonly known as slaked lime, slaked lime, water solution known as clarifying water.
Calcium hydroxide is widely used in production and life. Can use slaked lime and sand mixed brick, lime stucco; lime painted on the trees containing sulfur powder, etc., can protect trees, prevent frostbite, and prevent insect eggs; preparation of concrete; agriculture with lime milk and copper sulfate solution prepared with the bactericidal effect of Bordeaux mixture as pesticides. To change the acidity and alkalinity of the soil will be the right amount of lime into the soil, can neutralize the acidity, change the acidity and alkalinity of the soil, easy crop survival. Food additive sodium hydroxide, bleaching powder.
Application
Calcium hydroxide is used in waste water treatment, drinking water purification, sugar refining, manufacture of medicines, manufacture of animal feeds, manufacture of bleach, leather tanning, the manufacture of hair products, in the dental industry, food manufacturing, sewage treatment, sterilization, animal dips, coal processing, lime mortar, white wash, paints, road construction, etc.
Technical Index
| Item | Index | ||
| Super Grade | First Grade | Qualified Grade | |
| Ca(OH)2 % | 96.0 | 95 | 90 |
| Magnesium, basic salt %≤ | 2.0 | 3.0 | 3.0 |
| Acid non-soluble substance %≤ | 0.1 | 0.5 | 1.0 |
| Fe(mg/kg) %≤ | 0.05 | 1.0 | 2.0 |
| Loss on drying %≤ | 0.5 | 1.0 | 2.0 |
| Sieve residue(0.045mm)/(mg/kg) %≤ | 2.0 | 5.0 | 5.0 |
| Heavy metals(as Pb)/(mg/kg) %≤ | 0.002 | 0.002 | 4.0 |
Packaging & Shipping
Package: 25kg/50kg a bag ,or according your requirement.
Delivery: 5-7days after place order.
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