Ultra-thin film coating 'Rafure treatment' for high-strength bolts and high-carbon steel materials.
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Super thin film, high corrosion resistance - a dream hybrid collaboration! Chrome-free surface treatment - LAFRE.
- Ultra-thin film with a thickness of 5 microns - high corrosion resistance with a durability of 2000 hours in salt spray testing! - Complies with environmental measures without the use of the 6 substances restricted by the RoHS directive! - No acid pickling or electroplating processes, preventing hydrogen embrittlement! - High coating hardness that suppresses coating damage during screwing! (For details, please refer to inquiries or the catalog.)
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basic information
**Features** - Contains three types of metals: zinc, tin, and aluminum, and despite having a film thickness of 5 microns, it exhibits high corrosion resistance with no rust occurring even after 2000 hours in a unique salt spray test, achieving an excellent adhesive film. The coating is flat and smooth, allowing for smooth fitting of bolts and nuts, and reducing damage to the film during screwing. - Generally, during surface treatment processes such as pickling or electroplating, hydrogen is absorbed into the steel, leading to hydrogen embrittlement. This treatment does not cause hydrogen embrittlement, making it suitable for high-strength bolts and high-carbon steel materials. - No harmful substances listed in the RoHS Directive 6, including hexavalent chromium, lead, cadmium, and mercury, are used, and it complies with REACH regulations, ensuring an environmentally friendly treatment. **Specifications** **Process**: Pre-treatment → 1st coat → Baking treatment → 2nd coat → Baking treatment **Treatment Method** - Dipping treatment *Note: For spray treatment, the maximum processable dimensions are up to 600 mm square. (For details, please contact us or refer to the catalog.)*
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Applications/Examples of results
[Usage] High-strength bolts, hex socket bolts, etc.
Company information
Takashima Co., Ltd. celebrated its 90th anniversary in 2019. Our role has consistently been to "streamline procurement" for our customers. By creating new value through "reducing procurement tasks" in response to changes in our customers' environments, we will continue to assist in enhancing corporate value. We will solve our customers' "efforts and issues related to procurement tasks" through centralized management of manufacturing processes, improving operational efficiency, deadline management, inventory management, and acting as an agent for overseas imports and exports, among other services.
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