The element symbol of indium is In, atomic number 49, atomic weight 114.8, silver-white metal, ductile, melting point 156.61 ℃, boiling point 2080 ℃, hardness 1.2, density 7.30g/c㎡.
NdFeB ring magnets are sometimes also known as discs with central holes. The NdFeB Rings Magnets exits in two styles – 'pure' rings and 'countersunk' rings. The holes are centrally located. The countersunk ring allows for the magnet to be screwed onto ano
Ferrochrome is an iron alloy composed of chromium and iron. It is an important alloy additive in steelmaking. Ferrochrome according to different carbon content is divided into high carbon ferrochrome (carbon is 4~8%)
This rain Boots plastic overshoes with ankle high when it rains and muddy, and it is the best equipment for traveling in rain days,with 100 % waterproof and chemical resistant footwear goes all the way up to your calf.