Plastic plating

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last updated：Aug 08, 2025

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A pioneer in plastic plating that supports cutting-edge technology. We address increasingly sophisticated demands through relentless research and development.

Our company was the first to tackle plastic plating processing ahead of others. We began production of plastic plating in 1966 and have continued to advance as a top runner in this field. As the lightweighting of automotive parts progresses, plating processing for plastic parts has become mainstream, and we have received various requests in this regard. Our company responds sensitively to these demands and meets the needs of society. Plastic plating requires unique know-how due to the diverse materials involved. We have successfully established plating technology for special plastic materials, including engineering plastics and glass fibers, ahead of the industry. We have achieved a consistent production system that encompasses everything from molding to surface treatment and assembly. For automotive parts, which are our mainstay, we adhere to standards and ensure quality and safety in production. The same applies to gaming parts, and we can also accommodate flexible production, such as the installation of automatic plating equipment that can respond to shorter delivery times.

Related Link - http://www.siragane.co.jp/business/plastic-plating…

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basic information

Our turning point was the plastic plating for automotive door handles. The innovative technological development capabilities that no other company could achieve have been passed down to the present day. In our technology research laboratory, equipped with the latest analysis and measurement devices, we are constantly exploring new possibilities for plating technology and are dedicated to research and development to meet our customers' needs. With the best proposals suited to the times and the technological capabilities to make them possible, we strive daily to be a problem-solving company that satisfies our customers. *Product dimensions can accommodate up to 400mm x 1000mm on the elevator line and 1300mm x 1800mm on the carrier line.

Price range

Delivery Time

Applications/Examples of results

Automotive exterior parts, automotive interior parts, wash parts, gaming parts, and others.

Detailed information

Chrome plating has an elegant silver appearance. A pre-treatment is applied to the plastic material to enhance adhesion and conductivity, followed by copper-nickel-chromium plating. By applying hexavalent chromium plating to the plastic material, it not only enhances the appearance and reduces weight but also provides functions such as corrosion resistance, impact resistance, and scratch resistance. Our company possesses numerous double-hanger elevator-type plating facilities, enabling us to accommodate large orders.
<Dark Trivalent Chromium Plating> Due to the increasing awareness of environmental issues in recent years and the issuance of the RoHS Directive, ELV Directive, and REACH Regulation (regulations concerning hazardous substances such as hexavalent chromium) in Europe, there is a demand for high corrosion-resistant decorative plating that does not use hexavalent chromium in the final process. The most prominent alternative technology that has emerged is trivalent chromium plating. Our company offers dark-toned trivalent chromium plating, and we can apply attractive dark-toned plating to materials of various sizes and shapes using carrier-type plating equipment. Additionally, trivalent chromium plating has high salt spray resistance, making it suitable for use in regions like Russia where de-icing agents are used.
Velour plating, also known as matte plating, has a matte appearance with a pearlescent texture. The oil component called emulsion partially prevents precipitation, allowing for plating with fine irregularities. These fine irregularities scatter light, giving velour plating a pearlescent appearance with anti-glare properties. Our company can apply high-quality velour-style hexavalent chromium plating to materials of various sizes and shapes using a carrier-type plating system.
Dark Velour Plating Dark velour plating is a process that applies a dark trivalent plating over velour plating, resulting in a dark-colored appearance with a matte finish resembling a pearlescent texture. It is also used for interior parts of high-end domestic cars. Our company can apply a luxurious velour-like dark trivalent plating to materials of various sizes and shapes using a carrier-type plating system.
Satin plating and platinum satin plating, also known as platinum-like and pearl-like plating, have a glossy aluminum color appearance. By further dispersing the fine unevenness of velour plating, it is possible to express a more lustrous pearl-like appearance. This type of plating is used for interior parts of high-end domestic and foreign cars, and it is expected to increase in popularity as a luxurious plating option. Our company can apply high-quality pearl-like hexavalent chromium plating to materials of various sizes and shapes using a carrier-type plating system.
<Dark Satin Plating・Dark Platinum Satin Plating> This is a dark trivalent plating applied to satin plating and platinum satin plating, resulting in an aluminum-like dark appearance with a glossy feel. Due to its luxurious and substantial look, it is expected to increase as interior parts for high-end domestic cars in the future. Our company can apply a luxurious pearl-like dark trivalent chrome plating to materials of various sizes and shapes using a carrier-type plating system.
<White Trivalent Chromium Plating for Salt Damage Prevention> Due to the increasing awareness of environmental issues in recent years and regulations regarding hazardous substances such as hexavalent chromium issued in Europe, there is a demand for high corrosion-resistant decorative plating that does not use hexavalent chromium in the final process. Trivalent chromium plating has emerged as an alternative technology. White trivalent chromium, like chromium plating, has an elegant silver appearance and high salt damage resistance, making it suitable for use in regions like Russia where de-icing agents are used.
Tin-Cobalt Alloy Plating Tin-cobalt alloy plating has an elegant silver appearance similar to that of chrome plating. It has excellent adhesion and can be applied to complex recessed shapes that are typically difficult to plate with hexavalent chromium. Our company possesses double-hanger elevator-type plating equipment, enabling us to accommodate large orders.
<Gold Plating> A pre-treatment is applied to the plastic material to enhance adhesion and conductivity, followed by copper-nickel-gold plating. The appearance will have a luxurious look resembling pure gold. Due to its good coverage, plating can be applied to relatively complex shapes of materials. Our company can apply high-quality gold plating to various sizes and shapes of materials using a takt-based plating system.