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  6. Micro crack plating "Clo-Fine" achieves high hardness and high corrosion resistance!

Micro crack plating "Clo-Fine" achieves high hardness and high corrosion resistance!

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last updated:Mar 25, 2022

オテック
オテック
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Further improve the hardness and corrosion resistance of hard chrome plating with micro-crack plating!

Typically, hard chrome plating is performed using a bath made of anhydrous chromic acid and sulfuric acid, referred to as a "Sargent bath," dissolved in water. Its hardness ranges from HV750 to 900, which is quite excellent, but even so, under harsh usage conditions, wear of the plating is unavoidable. Additionally, the cracks (fine fissures) present in the hard chrome plating layer can expand when heat is applied, which can be problematic depending on the application. However, our company has developed "CRO-FINE," which solves these issues by improving the components of the plating bath. 【Features】 ■ Hardness is excellent at HV950 to 1000 ■ Compared to typical hard chrome plating, the extent of crack expansion due to heating is smaller ■ Although there are many cracks, they are narrow and shallow, resulting in minimal penetration to the substrate and excellent corrosion resistance ■ Not only is it excellent in wear resistance, but it also reduces the wear amount of the opposing material *For more details, please refer to the related links or feel free to contact us.

    Other metal materials
2021-11-25_10h39_55.png

Micro crack plating "Clo-Fine" achieves high hardness and high corrosion resistance!

2021-11-25_10h39_55.png
2021-11-25_10h39_55.png
  • Related Link - http://www.otec-kk.co.jp/surrounding/index.html#co…

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"Do you have any of these concerns?" ■ I want to reduce the widening of cracks caused by heating. ■ The hard chrome plating I am currently using is fine, but I would like to improve its durability and corrosion resistance a bit more. *For more details, please check the related links or feel free to contact us.

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Micro Crack Plating "Clo-Fine" Brochure

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Scheduled to exhibit at the Surface Treatment Processing Technology Exhibition 2022 (Osaka Industry Creation Center)

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Notice: Upcoming Exhibition Participation Surface Treatment Technology Exhibition 2022 Date: March 10, 2022 (Thursday) Location: Osaka Industry Creation Center, 3rd and 4th Floors Time: 10:30 AM to 4:30 PM (Divided into 3 sessions) *Please note that prior registration is required. We invite you to visit our booth when you come. We look forward to seeing you.

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Scheduled to exhibit at N-PLUS (Tokyo Big Sight)

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Notice <Exhibition Participation Schedule> N-PLUS Date: February 2 to 4, 2022 Location: Tokyo Big Sight Booth Number: South Hall 3 J-01 We invite you to visit our booth when you come. We look forward to seeing you.

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New product launch: Teflon-impregnated micro-crack plating "Tef-Lock Fine"

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We have a product called "Tef-Lock," which is our original plating that incorporates PTFE into hard chrome plating. This is a composite surface treatment that combines the high hardness and wear resistance of chrome plating with the low friction and lubrication properties of PTFE. However, unfortunately, in high-load environments where chrome plating itself may wear away, it has been difficult to maintain low friction and lubrication properties. Therefore, we have developed "Tef-Lock Fine," which solves these issues by impregnating PTFE into our original Cro-Fine (high-hardness micro-crack chrome plating) coating. 【Features】 ■ Hardness increased compared to conventional Tef-Lock (HV850 → HV900) ■ Increased crack density compared to conventional Tef-Lock, with a higher amount of PTFE impregnation ■ Maintains low friction under high loads and exhibits excellent wear resistance *For more details, please refer to the related links or feel free to contact us.

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オテック

オテック

Ferrous/Non-ferrous metals

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We are a technology-oriented company that focuses on plating technology and roll manufacturing technology as our two main pillars. We possess extensive know-how in various functional plating and high-precision roll manufacturing and processing, and we strive to be of service to our customers day and night. We actively take on challenges that other companies have declined or that no other company is willing to tackle.

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