31. Popular materials to print include Polyamide , steel and wax ( latter for further processing ). 32. Catgut has partially been replaced by synthetic materials including nylon, polyamide , and other polymers. 33. Polyamides occur both naturally and artificially.34. The leading candidate for development became 5 / 10 polyamide made from pentamethylenediamine and sebic acid. 35. Anti-static finishes may also be of polyamide type, being curable at moderate temperatures. 36. An efficient purification can be obtained by chromatographic separation on a polyamide column prewashed with HCl. 37. Marcel Wanders'free-form white polyamide vase might almost have been made by Ricci Albenda. 38. Polyamides can also be synthesized from dinitriles using acid catalysis via an application of the Ritter reaction.39. The dicarboxylic acids are used to produce fragrances, polyamides , polyesters, adhesives, and antibiotics. 40. These profiles are called also thermal break and they are made from glass fibre reinforced polyamide 66.
