狠狠久久综合,国产在线五月综合婷婷,日本中文字幕在线观看视频,欧美日韩亚洲一区二区精品,露胸美女图片,热辣小秘书办公室,国产色视频网站免费观看

CN
CN
  • SBT?-N(II) Liquid Setting Accelerator(Alkali-free)
    SBT?-N(II) Liquid Setting Accelerator(Alkali-free) Download

    1565847913679772IeN6.jpg

    SBT ? -N(II) is a high performance alkali-free setting accelerator for sprayed concrete. It speeds the chemical reaction between cement and water which causes mortar to set faster and increase the early strength development. SBT ? -N(II) has the properties of well adapted to cement, quick setting, high early strength and low rebound of concrete. It is widely used in many fields such as mining, hydropower, highway, railway tunnel, laneway, cave and so on.