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Metallic                                                                                                                                    Brushed/Unbrushed Steel





                                Swatch Sample                                                     Why This Material?                                                    Attributes/Applications



                                                                                         Brushed Steel as a finish is seen as one used in                                -Semi-dull lustre.
                                                                                         a product of high quality, or of high density. Its                              -Lower vulnerability to rust.

                                                                                         natural shine allows it to stand out but with the
                                                                                         brushed pattern it brings it out in an alternate                                -High conductivity

                                                                                         way, with the pattern shining out at the user but                               -High tensile strength
                                                                                         not intrusively. As a finish to use in design it turns                          -High melting point.
                                                                                         a prototype into a final product in terms of ap-

                                                                                         pearance.                                                                       -High ductility.
                                                                                                                                                                         -High cost.

                                                                                                Manufacture Process

                                                                                                                                                                       -Door and handle fittings.
                                                                                        The base metal of steel or aluminium is cut into

                                                                                        thin sheets is turned from its full shine to its satin                         -Home appliances.
                              Real Life Sample                                          finish by using a 120 grit belt sander and con-                                -Jewellery and watches.

                                                                                        tinuing to sand until the brushed look is to satis-                            -Vehicle finishes.

                                                                                        faction. There isn’t a price to it, but the raw steel
                                                                                        material ranges from 2.50 to 3 euro per kilo-                                  -Personal electronics

                                                                                        gram. Origin is unknown, but the finish fluorished                             -Cutlery

                                                                                        in the late 1980s.



                                                                                          Sample Creation Process


                                                                     The template is made once                                                       120 grit sandpaper is used

                                                                     again using the hot wire                                                        to get the brushed effect,
                                                                     and two coats of primer                                                         making sure to go in the

                                                                     are applied before ap-                                                          same direction for the cor-

                                                                     plying a metallic grey car                                                      rect effect. Half is covered
                                                                     spray coat. This spray re-                                                      to show the difference

                                                                     quires a clear lacquer to                                                       before and after the

                                                                     bring the lustre out, so this                                                   brushed effect and another
                                                                     is applied after.                                                               lacquer is applied on all.



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