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All articles from hqt
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Special-Finishes
Sandblasting
Sandblasting (abrasive blasting) uses compressed air to propel abrasive media at high velocity to impact and clean workpiece surfaces. This process effectively removes rust, scale, oxidation, old paint, and other ...
2026-05-26 -
Special-Finishes
Hot Dip Galvanizing
Hot dip galvanizing (HDG) is a corrosion protection process in which steel or iron workpieces are immersed in a bath of molten zinc at approximately 450°C (842°F), forming a metallurgically ...
2026-05-26 -
Special-Finishes
Electropolishing
Electropolishing (also known as electrochemical polishing or electrolytic polishing) is an electrochemical process that removes material from the surface of a metallic workpiece by dissolving the microscopic peaks (asperities) through ...
2026-05-26 -
Polishing
Satin Finish
A satin finish, also referred to as satin polish, velvet finish, or soft-luster matte, is an advanced surface treatment that produces a soft, uniform, non-directional matte aesthetic on metal substrates. ...
2026-05-26 -
Polishing
Mirror Polishing
Mirror polishing, also referred to as buff polishing, specular polishing, or No. 8 finish, is an advanced multi-stage mechanical finishing process that progressively refines a metal surface to achieve an ...
2026-05-26 -
Polishing
Brushed Finish
A brushed finish, also known as brushed metal or directional polish, is an advanced mechanical surface texturing process that produces a uniform, unidirectional grain pattern on metallic substrates. This precise ...
2026-05-26 -
Plating
Zinc Plating
Zinc Plating, also known as zinc electroplating, is a highly effective electrolytic surface finishing process designed to protect iron and steel components from atmospheric corrosion. The core mechanism relies on ...
2026-05-26 -
Plating
Tin Plating
Tin Plating is an advanced electrolytic or immersion coating technique that deposits a uniform, precise layer of pure tin onto conductive metallic substrates using an aqueous chemical bath. This surface ...
2026-05-26 -
Plating
Gold Plating
Gold Plating is an advanced electrolytic surface finishing technique that deposits a precise, thin layer of gold onto a conductive metal substrate using an aqueous electroplating bath. This process strategically ...
2026-05-26 -
Plating
Chrome Plating
Chrome Plating, or chromium electroplating, is an electrochemical surface finishing technique that deposits a precise layer of chromium onto a conductive metal substrate using an electrolytic bath. The process is ...
2026-05-26 -
Plastic-Finishes
Spray Painting (UV Paint)
UV Spray Painting is an advanced, high-efficiency liquid finishing process that applies ultraviolet-curable polymer coatings onto plastic or metal substrates using automated or manual spray equipment. Unlike conventional thermal-cure liquid ...
2026-05-26 -
Plastic-Finishes
Silk Screen Printing
Silk Screen Printing, also known as Screen Printing or Serigraphy, is a highly versatile and efficient printing technique that forces thick ink layers through a finely woven synthetic mesh screen ...
2026-05-26 -
Plastic-Finishes
Pad Printing
Pad Printing (also called Tampography) is an indirect offset printing process that transfers a 2-dimensional (2D) image from a chemically or laser-etched printing plate (cliché) onto a 3-dimensional (3D), irregular, ...
2026-05-26 -
Plastic-Finishes
Chrome Plating on Plastic (Vacuum Metallizing)
Chrome Plating on Plastic, commonly achieved through Vacuum Metallizing, is a advanced surface treatment process that deposits a thin layer of metal (typically aluminum or chromium) onto plastic substrates under ...
2026-05-26 -
Passivation
Stainless Steel Passivation
Stainless steel passivation is a chemical surface treatment process that removes free iron particles and other metallic contaminants from the surface of stainless steel parts, then promotes the formation of ...
2026-05-26 -
Painting-Coating
Sandblasting + Painting
Sandblasting, also known as abrasive blast cleaning, is a surface preparation process where fine abrasive particles are propelled at high velocity against a workpiece to clean, roughen, or shape the ...
2026-05-26 -
Painting-Coating
PTFE / Teflon Coating
PTFE (Polytetrafluoroethylene), commercially known by the DuPont brand name Teflon™, is a synthetic fluoropolymer renowned for its exceptionally low coefficient of friction (COF: 0.05–0.10), non-stick surface properties, and outstanding chemical ...
2026-05-26 -
Painting-Coating
Powder Coating
Powder coating is a dry finishing process where electrostatically charged powder particles are sprayed onto a metal surface and then cured under heat to form a protective, decorative film. Unlike ...
2026-05-26