Calcium carbonate also name ultrafine Nano Precipitated Calcium Carbonate Nano Active Calcium Carbonate for High Standard Paper Printing high quality improvement/reform nano active calcium carbonate 99% 40-80um Nano Active Calcium Carbonate CC for silica gel china nano active calcium carbonate for polysulfur manufacturing QUARRIED CALCIUM CARBONATE,LIGHT CALCIUM CARBONATE 1.Applicable Characteristics: Used in the sealant system,it has excellent thixotropic performance and system dispersing ability,as well as the controllable system rheology and good filling and reinforcement ability.It has not only well affinity with adhesive,but also be able to improve the adhesive,tenacity,stretching intensity and other dynamic performance to reach teo functions of both filling and reinforcement. 2.Applicable Scope:: Sealant material of Silicon,Polysulfur,Epoxy and polyurethane and silixon rubber products. 3.Standard Specification 1 Items Index Apperance White powder Surface Area m2/g(BET)≥ ≥4.0 Mean Particle Size(nm) 40-80 Specific Gravity,g/m³ 2.50 Brightness 93% Moisture,(%)≤ 0.9 DOP Oil Absorption ml/100g 20.0-60.0 Lgnition Loss(%) 44.0±1.0 Standard Specification 2 Items Index Apperance White powder Surface Area m2/g(BET)≥ ≥4.0 Mean Particle Size(nm) 60-90 Specific Gravity,g/m³ 2.5 Brightness 95% Moisture,(%)≤ 0.9 Ml/100g Oil Absorption -- (125um)120Mesh Resuing ≤ 0.02 mail: vivian@groupworkwin.com whatsapp:+8615063431351 skype:zhangyuanyuan1351 wecha:yuanyuan20140707