الوصف

Product Description
Fine and smooth crystal white powder, a little alkaline taste, Absorb carbon dioxide (CO2) in the air to forming calcium carbonate. Burning up to the highest temperatures*2º Celsius to dehydrate the water to forming calcium oxide. Relative density 2.*4, Melting point ***0C (dehydrating water), Dissolve in acid, salt, glycerin. Difficult to dissolve in water: (0.6g/**0ml, **0C, strongly alkaline, pH value *2.4). Not dissolve in alcohol, the aqueous solution is alkaline.
          
Specification
Standards& Test Methods in Reference: GB*********0
Test  Item                                                                                     Test Result
calcium hydroxide Content Ca(OH)2 %                                          ****3
Hydrochloric acid insoluble substance %                                         0.*5
Sulfur compound (SO4) %                                                                0.4
Iron (Fe) %                                                                                       0.*3
Alkali metal & Magnesium (MgO) %                                                  0.9
Heavy metal (pb) %                                                                         0.*4
Ammonia liquor %                                                                            0.3

Usage:
Used in the carbon dioxide and other acidic gases, absorber agent, disinfectant gent, antiacid agent, buffering agent, neutralizing agent, hardening agent; Used in pharmaceuticals, organic synthesis etc.
Used in waste water treatment, Power plant desulfurization, Putty powder, Chemical additive and other lines. calcium hydroxide Content divided into three series: *0%**0%，*0%**3%，above*5%, fineness is **5um (sieving rate).