Copper-iron can be refined by adding a little bit of rare earth. Both copper and iron have a melting temperature around 1200 degrees. They are perfectly compatible. Overview HTML3_ HTML4_ HTML5_ HTML5_ HTML3_ HTML5_ HTML3_ HTML3_ HTML4_ Many metals…
Foam concrete is a highly workable low-density material containing up to 80% air.…
The TR-B (foaming agent) can be mixed with cement slurry to produce lightweight porous concrete. Dilute TR-B (foaming agent) with water, isolate it from the foam machine to obtain foam, and mix the foam with cement and gypsum mortar to obtain an insu…
Yellow white waxy solid/glue body. Soluble in water, ethanol, slight solubles in acetone, insolubles in diethylether and benzene. Dodecy dimethylbenzyl ammonium bronmide Dodecy dimethyl ammonium bromide can be obtained from natural plant coconut o…