1) ISO 9001:2008 Certified company 2) Purity: 94%min 3)400mesh, 800mesh, 1250mesh 4)Calcium Carbonate

Calcium carbonate (limestone)is used in injection mould, extrusion & injecting mould, PVC profile & pipe, FRP etc.Suitable for the modification of PVC, PP, PE, ABS and HIPS. Fillers of Paint,Print ink,Plastic,Rubber,Adhesives,Pharmacy,Fodder,Paper-making,polyethylene(PE),polypropylene(PP),ABS,Building material,etc. 

   

Specification

CaCO3 content (Dry basis),%     ≥ 96

PH(10% Soliquit)                           8-9 

105°C Volatitle%                        ≤ 0.5

Insoluble substance in hydrochloric acid%       ≤ 0.3

Bulk densityg/cm3                      ≤ 46

Specific Surface cm2/g                ≤ 50000-55000

Top Cut(D98) μm                        ≤ 12

Average Grain(D50)μm               ≤ 2.5-4.0

Fe%                                            ≤ 0.1

Mn%                                           ≤ 0.006

Residues: 325μm%                     ≤  0.01                

                125μm%                     ≤ 0.5

Whiteness(R457)%                      ≥  94

Absorption oil Number (DOP)ml/100g           ≤  30

Activation%                                 ≥ 99

Appearance                             POWDER 

  

Calcium Carbonate-Various Grades (H.S 28365000)