PA12S Smooth has the same advantages as PA12 Standard but with a less grainy surface finish. The mechanical properties are very similar to those of PA12 Standard but the very fine-grained nylon powder used for PA12S Smooth gives a very smooth matt surface which can also be dyed black or anthracite grey which gives a very nice and complete appearance. PA12S Smooth is well suited for end products and models where a matt surface that is very smooth is desired.