US President recently decided to invoke a Cold War-era defense law to encourage domestic SiN powder. Silicon nitride is a kind of synthetic refractory material with good abrasion resistance, high-temperature resistance, and corrosion resi…
The TRPM Series molecular sieve manufactured by LUOYANG TONGRUN INFO TECHNOLOGY LTD. is a sodium aluminosilicate crystal with a well-developed channel structure. Crystal channel diameter is 0.9nm. About Oxygen Molecular Sieve TRPM The TRPM S…
In terms of the adaptability of cement and concrete superplasticizer, the type and quality of concrete superplasticizer also play an important role. Therefore, concrete superplasticizers should be selected according to the adaptability to cement and…