在线播放五十路熟妇_4humm44四虎_美女被强遭高潮免费观看_国外AV网址在线观看

Orthoboric acid
 
  SH No.: Orthoboric acid
  Name:Orthoboric acid
  CAS No.:10043-20-3
  format:Analytical pure, chemical pure, pharmaceutical grade
  Molecular formula:H3BO3
  Character: White powdery crystal or scaly glossy crystal, no odor. It is soluble in water, alcohol, glycerin, ether and essential oil, aqueous solution presents weak acid.
 
  [Use]It is mainly used in glass industry (optical glass, acid-resisting glass, heat resistant glass, glass fiber for insulating material), it can improve the heat resistance, transparent performance