At Feynlab, we truly believe we have the best products, and a deeper understanding of chemistry than most of our competitors. Occasionally, a marketing term becomes synonymous with a chemical term, and we get asked when we will release a similar product. It is annoying for us at Feynlab when this happens, as we generally […]

This is a very touchy subject as many companies have built their brand around the hardness rating. (So and so’s) 9H Ceramic. Let’s start with a little background on both pencil hardness and the infamous MOHS scale. The pencil hardness method was originally developed by pencil manufacturers as a quality control method in the early […]