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 fell down…
Chinese state media have urged investors to remain calm after this week stock market rout wiped out hundreds of billions of dollars in market value. China securities Times, a state-run newspaper, published a commentary on Wednesday acknowledging &quo...…
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: The Naphthalenesulfonic Acid has the properties…
The oxygen molecular sieve TR-OX480 is mainly used in oxygen concentrator sieve beds in PSA industrial and medical oxygen supply systems. About Oxygen Molecular Sieve OX480: OX480 oxygen molecular Sieve is designed for PSA portable oxygen concentr…
In the fall of 2022, Apple will launch the titanium versioniPhone14 JPMorganChase’s new investor notice pointed out that Apple’s high-end iPhone modelswill soon use titanium to replace materials such as aluminum or stainlesssteel. It also provides ne…