text: Newreach Silica fume(Microsilica)-NR97 - Everything about silica fume
  Newreach Silica fume(Microsilica)-NR97
  NR97 has the highest silicon content, which means it has high purity and low impurities. It can be used as a high-quality refractory material and plays an important role in many fields. Newreach Silica fume Grade NR97 is dry silica fume available in two main forms: Undensified-NR97U, and Densified-NR97D. They all meet the relevant standards of ASTM.