hydrophilic silica

• Post Date:

  Nov 21,2011

• Expiry Date:

  May 19,2012

• Detailed Description:

  We need the following characteristics:
  Аналог: Aerosil R974 или HDK H20 wacker.
  Synthetic, hydrophobic, amorphous silica.
  
  BET surface at of the hydrophilic silica 170 - 230 m2 / g;
  INCI name: Silica Dimethyl Silylate;
  Loss on drying <0.6%;
  Sieve residue <0.05%;
  Surface modification: Dimethylsiloxy;
  Tamped density 40 g / l;
  Carbon content approx. 1.4%;
  Residual silanol content
  (relative silanol content in relation to the hydrophilic silica, which
  shows approx. 2 SiOH / nm ²): 50%;
  pH in 4% dispersion (1:1 mixture of water-methanol): 3.8 - 4.8;
  
  

• Company:

  Shanghai Yoo-point Chemical Co.,Ltd     [ China ]        

• Contact:

  Mike Xia

• Tel:

  +86-13524158277

• Fax:

  +86-21-62823311

• Email:

  mikexia123@yahoo.cn