Sell fumed silica

Description

                               F***0      F***0    
Apperance                           White powder
Specific surface area m2/g      **0±*0     **0±*0  
PH Value                            3.6～4.3
Loss On Heating**5℃ 2h%        1.0           1.0       
Ignition Loss ***0℃%  ≤        1.0           1.0       
Apparent density g/L                     ****0
Sieve Residue **5 mesh ≤, %       SiO2 Wt.%                        ≥*9.*9    ≥*9.*9 
Al2O3 Wt.%                       〈0.*5     〈0.*5  
Fe2O3 Wt.%                       〈0.**3    〈0.**3 
Tio2 Wt.%                      〈0.*3     〈0.*3  

Application:It is used widely in silicon rubber, construction sealant, coating, electron and electric, aerospace, medicine and medical material, resin processing, printing ink, pesticide and other industries.F***0: used widely in silicone acid rubber, sulfurized silicone rubber in ambient temperature (low water content), silicone neutral rubber.F***0: used widely in sealing ring, sealing gasket, petroleum pipeline, insulator, tablet powdered preparation, artificial viscera, infusion tube, latex nipple and high quality oil ink.F***0: used widely in reinforcing agent for silicone rubber, medical silicone rubber for transparent artificial organs and artificial heart etc.

Packing: packed with multi-layer paper plastic compound bag with net weight of 5 kg or *0 kg, or packed by whole plastic seal for users having special demand on water content.