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TAKECOAT® 1000 Superior Fluorocarbon Polymer Treatment for Preventing Rust and Corrosion

TAKECOAT® 1000 is a fluorocarbon polymer surface treatment with powerful anti-rusting and anti-corrosive properties used in bolts and nuts . It was created by combining pre-coat base treatment and fluorocarbon polymer coating technologies to enhance the adhesion of the metal/film interface, and impart anti-rust and anti-corrosion properties despite being thin. Because TAKECOAT® 1000 has a low fastening torque coefficients value, it prevents contact corrosion between different types of metals.

Properties of TAKECOAT® 1000

Components that bear heavy loads require a variety of properties in their surfaces, including resistance to rust and corrosion, durability and a thin profile. TAKECOAT® 1000 is a thin, durable film that is resistant to rust and corrosion. Enabling a high level of lubrication on the surface, TAKECOAT® 1000 is created by combining special treatment technology with a two-layer construction, developed through research, that is composed of a fluorocarbon polymer film and a special under treatment film.

Properties 1: Resistance to Rust and Corrosion Prevention
The two-layer construction of TAKECOAT® 1000 provides anti-rust protection recognized as superior in outdoor exposure tests and actual use in environments including ocean surface and undersea applications. Such third party agencies as the Japan Quality Assurance Organization and KTA in the US have verified the superior properties of TAKECOAT® 1000 in indoor accelerated corrosion tests. The photo below shows the results of a salt spray test conducted by KTA.

Resistance to Rust and Corrosion
Properties 2: Durability for Secure Fastening
Due to the high lubrication and hardness of the fluorocarbon polymer film, even if a heavy load or shearing force of tens of tons is applied to the film surface, the film remains essentially free of damage and separation. Additionally, rusting even in damaged areas is extremely limited. This is effective for fastening bolts and other fasteners.

The correlation of axial force and torque
Properties 3: Heat Resistance
TAKECOAT® 1000 has superior heat and cold resistance due to the properties of its fluorocarbon polymer.

- Continuous use temperature range: -196°C to +200°C
- Intermittent use temperature range: -196°C to +230°C

For industrial plants with particularly high temperatures (exceeding 450°C), we recommend TAKECOAT® CERAMIC1.
Properties 4: Insulation
Fluorocarbon Polymer becomes a film that is extremely hard and thin with essentially no pinholes. Because of this, fluorocarbon polymer effectively prevents glavanic corrosion, corrosion at contact points between different metals, pitching corrosion and other types of corrosion. When using TAKECOAT® treatment for steel bolts with stainless steel flanges, a flat washer treated with TAKECOAT® 1000 should always be used.
For insulation in high-voltage environments, we recommend Elecut.

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Properties Table

Item Test method Result
Indoor accelerated tests* Salt Spray Test ASTM B 117 No corrosion after 6000 hours
Rating number no greater than 8 after 8000 hours
Saltwater immersion Immersion in 5% saline at room temperature No abnormalities after 6000 hours
Weather resistance Dew cycle sunshine weather meter test Rating number no greater than 8 after 4000 hours
Sulfur dioxide DIN 50018 SFW 2.0S Rating number no greater than 8 after a cycle
Heat resistance Sitting in an electric oven at 200°C No abnormalities after 10,000 hours
Cold resistance Sitting in -196°C liquid nitrogen No abnormalities after 24 hours
Chemical resistance 3% hydrochloric acid No abnormalities after 1000 hours
20% sodium hydroxide No abnormalities after 4000 hours
Xylene
Propyl alcohol
Gasoline
Natural exposure tests* Undersea Continuous immersion in the Japan Sea/Pacific Ocean for 6 years Less than 10% surface corrosion
Marine Continuous onboard presence in the Sea of Japan/Pacific Ocean for 3 years Less than 5% surface corrosion
Land Continuous presence near the Sea of Japan/Pacific Ocean for 3 years Less than 5% surface corrosion
Desert region Continuous presence in the Middle East for 6 years Less than 5% surface corrosion
Torque coefficient
Torque test
0.11 – 0.14
Hardness test JIS K 5400 5 – 7 H

* These tests were performed with the fasteners in a fastened state.

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Treatment Process

The Takenaka manufacturing process uses a uniquely developed processing technology to form a thin, uniform film.

Products Degreasing Under Treatment
Special base
treatment
( 2 – 5 μm)
Coatings
Fliorocarbon polymer coating
(At least 30 μm)
Hardening
Heat curing
(150 – 200°C/
20 – 30 min)
Inspection

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Applications

TAKECOAT® 1000 has been successfully used for long periods of time for bolts, metal parts and other components for fastening in bridges, underground segments [meaning unclear], underground piping, maritime structures, petroleum plants and other applications where rust and corrosion resistance are required.

Applicable Materials
General carbon steel, structural alloy steel, stainless steel, copper alloys, nickel alloys, aluminum alloys, titanium alloys and more
Applicable Parts
Automobile parts, construction parts, aircraft components, underground segments, underground piping, bridges, construction, petrochemical plants, desalination plants, maritime and undersea structures, waterworks and sewer components, and other parts where protection from rust and corrosion and/or lubrication is needed.
Treatment Specifications
General metal products
Maximum standard dimensions: 450 W × 700 L × 150 H
Maximum standard weight: 30 kg per item

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Related Products

When using a part treated with TAKECOAT® 1000 for fastening, it happens on rare occasions that the film surface becomes damaged. Takenaka carries repair fluid to touch up such damaged areas, as well as special wrenches designed to prevent such film damage. Click here for more information on Takenaka’s wrenches.

A nut tightened with an impact wrench, A nut tightened with a special Takenaka wrench

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Examples of Use

Surface Treatment Products / The Central Japanese Government

Customer Product
Kinki Regional Development Bureau
Ministry of Land, Infrastructure, Transport and Tourism
Bolts for joint ditches, and shield tunnels of Shimizu, Naniwa and Suminoe
Chubu Regional Bureau
Ministry of Land, Infrastructure, Transport and Tourism
Bolts for joint  ditches, and shields of Yasunaga, Kawagoe, Nakagawa
Kanto Regional Development Bureau
Ministry of Land, Infrastructure, Transport and Tourism
Bolts for diversion channels and added shield tunnels on the outskirts of Tokyo
Cabinet Office Bolts for earthquake reinforcement of the SEZOKO Bridge in Okinawa
Cabinet Office Bolts for earthquake reinforcement of the IKEI Bridge in Okinawa

Public Organizations

Customer Product
The former Japan Highway Public Corporation Bolts  for expressway axle load scales
Bolts for the Tokyo Rinkai subcenter
The former Hanshin Expressway Public Corporation Mechanical couplings Mechanical couplings
The former Hanshin Expressway Public Corporation
(currently: Hanshin Expressway Company)
Bolts for fastening bridge piers on the approach to the Port of Osaka Bridge
The former Metropolitan Expressway Public Corporation The subway shield tunnel and  road tunnel for the Central Circular Route
Japan Railway Construction Public Corporation Bolts for the Katafuku connector line shield tunnel

Regional Public Bodies

Customer Product
Osaka City Waterworks Bureau Water purification plant and flanged piping
Osaka Municipal Transportation Bureau
Bolts for subway line 7, line 7 extension and line 8 Bolts for subway line 7, line 7 extension and line 8
Osaka City Bureau of Sewerage -
Osaka Port and Harbor Bureau -
Osaka Prefectural Government, Department of Water Works Water purification plant and flanged piping
Osaka Prefectural Government, Department of Public Works Underground river in the southern portion of Neyagawa
Transportation Bureau, City of Nagoya Fastening bolts for subway shield tunnel segment
Kyoto Municipal Transportation Bureau Fastening bolts for subway shield tunnel segment
Kobe Municipal Transportation Bureau Fastening bolts for subway shield tunnel segment
Other cities, towns and villages -

Private Sector

Customer Product
Trans-Tokyo Bay Highway Corporation Bolts  for tunnel segments of an undersea road
Toho Gas Liquefied natural gas pipes
Tokyo Gas Keihin main line
Kansai Electric Power Company Bolts for the shield tunnel of the road between Tanimachi-suji Gakuen and Toyosaki
Hanshin Electric Railway Fastening bolts for subway shield tunnel segment
Kansai Rapid Railway Fastening bolts for subway shield tunnel segment
Various manufacturers Pipes for marine desalination equipment
Various petroleum companies TAKECOAT® CERAMIC 1 U1/2Diameter to U4 for heat exchangers CERAMIC 1 U1/2Diameter to U4 for heat exchangers
Nakanoshima Rapid Railway Fastening bolts for subway shield tunnel segment
Nishi Osaka Railway Fastening bolts for subway shield tunnel segment

Overseas Applications

Customer Product
Abu Dhabi National Oil Company (ADNOC) Bolts for desalination and power plant pipes. Met specifications required for ADNOC, ADWEA and Saudi Aramco.
Bolts for desalination and power plant pipes.
Abu Dhabi Water and Electricity Authority (ADWEA)
Saudi Aramco
SWCC
TAKREER
GASCO

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