Neolith consists of 100% natural raw material that is put into high pressures and temperature. This combination of raw material through a press then baked in an oven at a temperature of more than 2192 F. The Sintering Technology used by TheSize (inventor of NeoLiTH) gives NeoLiTH physical and mechanical features which are unprecedented in the construction industry and kitchens, bathrooms to flooring. The Largest Existing Sintered Compact Surface. One of the characteristics that make Neolith stand out is how thin it is; it comes in thicknesses of 3, 6 and 12 mm. The difference in their use varies based on the intended purpose