Zhejiang Yuda Chemical Co.,Ltd.

colloidal silica

• Category :

  Catalyst and Auxiliary

• Synonyms :

  Dry silica gel;cataloid;the(r) desiccant;silicon dioxide pyrogene, high dispers;silver nitrate-impregnated silica gel;sulfuric acid-impregnated silica gel;sand;dry silica gel,high-effecienty;amorphous silica gel;gel & precipitated silica;silica, amorphous;silica, amorphous, precipitated and gel;silica gel desiccant;silicon dioxide, amorphous gel;amorphous silicadust;amorphous silicon dioxide;prep sep si;silicic acid, precipitated;colloidal silica;Silicon dioxide, amorphous gel in isopropanol;Silicasol;silica sol;silica solution;

• CAS NO :

  112926-00-8

• EC NO :

  231-545-4

• Molecular Formula :

  SiO₂

• Molecular Weight :

  60.0843

• Main Specifications :

• Product description :

  Designation		Standard
  		CS-20	CS-25	CS-30
  Appearance		Slight?milky?transparent?to?translucent?liquid
  SiO2?(wt%)		20±1%	25±1%	30±1%
  Na2O?(wt%)		≤0.2%
  Ions (ppm)	Fe	≤50
  	Cl-	≤50
  	SO42-	≤50
  	Al2O3	≤100
  	CO32-	≤100
  	Others	<100
  PH?(20°C)		8.0-9.5
  Density?(20°C,?g/cm3)		1.12-1.14	1.15-1.17	1.19-1.21
  Viscosity?(20°C,?mPa?S)		≤35
  Particle?size?(nm)		8-15
  Stability		Six?months

• Molecular Structure :