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627Standard FinishesConversion ChartsThe following information is intended to provide general guidelines regarding performance characteristics of Southco’s standard finishes. Southco is committed to protecting the environment and promoting the use of environmentally friendly finishes that meet the requirements of the industries we serve. All standard SOUTHCO® finishes are compliant with environmental regulations and directives such as REACH, RoHS, POHS, ELV and WEEE. Visit our website at www.southco.com for more details. Please contact a Southco Applications Engineer with questions or concerns related to standard or custom SOUTHCO® finishes.ZINC PLATING WITH TRIVALENT CHROMATE AND SEALER - This is currently Southco's standard finish of choice for steel base metal. A metallic (inorganic) sacrificial finish, which primarily provides excellent corrosion protection. Available in bright metallic and black. ZINC-ALLOY PLATING - A metallic (inorganic) sacrificial finish, which primarily provides excellent corrosion protection to steel base metal. This finish is recommended where superior corrosion resistance over zinc plating is desired. Small additions of nickel or iron to zinc result in greatly enhanced corrosion performance of zinc-alloy plating over zinc plating. Additional improvement in corrosion performance can be imparted by treating with chromate and sealer. Available in bright metallic and black. Zinc alloy plating to meet automotive or other industry specific corrosion resistance is available on special order. ZINC PLATING - A metallic (inorganic) sacrificial finish, which provides good corrosion protection. It secondarily provides an attractive, bright, metallic finish to steel components. Zinc plating is available with various chromate and phosphate passivates in bright metallic and black colors.ZINC IMMERSION COATING - A zinc and aluminum flake dispersion in polymer or inorganic binder. The flakes align in multiple layers, forming a metallic silver-gray coating over ferrous metal parts for very good corrosion protection. Top coats of various colors further enhance color choices for this finish. CHROMIUM PLATING - Offers excellent appearance along with corrosion resistance for steel, zinc, aluminum and polymer base materials. A hard, durable finish that is preferred when cosmetic appearance is the primary determinant for finish selection. Available in bright and satin appearance. NICKEL PLATING - Offers both functional and cosmetic characteristics at a relatively low cost. Nickel plating is available both via electro- and electroless deposition processes. The finish is highly tailorable and can be produced at different hardness levels, friction characteristics and colors. Available in bright metallic, satin, black on steel, zinc aluminum and polymer base materials.BLACK OXIDE COATINGS - An inorganic finish for steel and stainless steel base metal. Primarily a cosmetic finish that can be supplemented with an oil, wax or polymer top coat. PHYSICAL VAPOR DEPOSITION (PVD) COATINGS - Hard, corrosion resistant and attractive finishes that mimic the appearance of metal but have properties of ceramics. Applied over chromium plating, nickel plating or bare metal, the coatings can have appearance of gold, brass, bronze or chromium, depending on the chemistry of the PVD ceramic. A very popular finish for marine hardware.POWDER COATINGS - An organic finish, which provides an attractive finish in a wide variety of colors and glosses. This finish can be applied over various pretreatments, such as zinc plating, zinc-alloy plating, chromating and phosphating, for additional corrosion protection.ELECTROPHORETIC (E-COAT) COATINGS - Environmentally friendly finish with a wide variety of color and gloss choices for steel, stainless steel, zinc and aluminum base materials. The coating offers excellent coverage, a very uniform thickness, excellent adhesion to the base metal and superior abrasion resistance. ANODIZED COATINGS - Formed on aluminum base metal, these coatings impart corrosion and wear resistance to the base metal. Thickness can be varied from a few nanometers (soft) to several microns (hard). Corrosion resistance can be further enhanced by treating with various passivates. ELECTROPOLISHING AND PASSIVATION - Applied to stainless steels to enhance appearance and corrosion resistance. PAINTS AND BAKED FLUOROPOLYMER COATINGS - Applied to various base materials, paints offer an attractive appearance and corrosion resistance. Can be applied on various painted primers or treatments such as chromate and phosphate dip. A wide selection of colors is available upon request. Baked fluoropolymer offer a more durable, hard coating in a variety of colors. These finishes are preferred by food and medical industry due to their inertness. Not all finishes can be applied to all base materials or substrates. Other treatments and finishes are available. Contact a Southco Application Engineer to discuss finishing options.To Convert Into Multiply ByFeet Inches 12Feet Millimeters 304.8Feet Meters 0.3048Foot-Pounds Newton-Meters 1.356Inches Millimeters 25.4Inches Meters 0.0254Inches Feet 0.08333Inch-Pounds Newton-Meters 0.113Kilograms (force) Newtons 9.807Kilograms (mass) Pounds (mass) 2.205Meters Millimeters 1000To Convert Into Multiply ByMeters Inches 39.37Meters Feet 3.281Millimeters Meters 0.001Millimeters Inches 0.03937Millimeters Feet 0.003281Newtons Kilograms (force) 0.102Newtons Pounds (force) 0.2248Newton-Meters Inch-Pounds 8.851Newton-Meters Foot-Pounds 0.7376Pounds (mass) Kilograms (mass) 0.4536Pounds (force) Newtons 4.448