Hexagonal boron nitride is a synthetic non-oxide ceramic material.Is a kind of white loose powder, similar to graphite properties, known as "white graphite".
316 and 316L stainless steel 316 and 317 stainless steel (see the properties of 317 stainless steel below) are molybdenum containing stainless steel. The molybdenum content in 317 stainless steel is slightly superior to 316 stainless steel.