Naphthalenesulfonic Acid has excellent diffusion characteristics, is not permeabile and does not foam. It is resistant to acid, alkali as well hard water. Dispersion: 90% Naphthalenesulfonic acids: Naphthalenesulfonic Acid has the properties of a…
The Boron Nitride Powder Overview Powder Industrial Boron nitride powder is pure white ceramic with hexagonal crystal structures similar to graphite. It can withstand temperatures in excess of 2,000 degrees Celsius. Based on the grade, its dielectri…
In the UK, more than 100 schools were closed because of the danger of collapse In the UK, many schools use RAAC (autoclaved aerated cement) This is a concrete material that is lighter. In 2018, the roof of a school in southeast England collapsed…