Rust-proof cap <Zinc Hat> *Performance verification test materials provided
A&S System Co., Ltd.
We would like to introduce the performance verification results of the anti-corrosion protective cap "Zinc Hat."
We would like to introduce the results of the performance confirmation test for the anti-corrosion protection cap "Zinc Hat." The "Zinc Hat" is a cap designed for anti-corrosion protection of bolts and nuts used in sound barriers on elevated highways, amusement park equipment, solar panels, and more. In the performance confirmation test of the Zinc Hat under outdoor exposure, while the steel materials and anchor bolts without protection showed severe corrosion on all surfaces after the test, the anchor bolts covered with the Zinc Hat maintained their initial condition without any corrosion for a three-year exposure period, thanks to the sacrificial corrosion effect of zinc. [Test Types] ■ Performance confirmation test under outdoor exposure ■ Immersion test with tap water ■ Comparative confirmation test with resin caps For more details, please refer to the catalog or feel free to contact us.
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[Implementation Details] [Performance Confirmation Test in Outdoor Exposure] ■ Test Conditions - Material to be protected: Machined steel SS400 (bare), steel anchor bolts (bare) - Test Location: Semi-industrial area (outdoor exposure) - Exposure Period: 3 years ■ Evaluation - No corrosion observed due to the sacrificial corrosion protection effect of zinc, maintaining the initial condition - Slight iron rust observed due to sacrificial corrosion protection and inhibitor effect, but overall in good corrosion protection condition [Immersion Test with Tap Water] ■ Test Conditions - Material to be protected: Steel hex bolts (bare) - Protective Material: Zinc hat (anodic zinc alloy) - Test Method: Immersion in a container filled with tap water - Immersion Period: 20 days ■ Evaluation - The hex bolts protected with the zinc hat show effective cathodic protection overall [Comparison Confirmation Test with Resin Caps] ■ Test Conditions - Material to be protected: Steel anchor bolts (bare) - Test Location: Semi-industrial area (outdoor exposure) - Exposure Period: 1 year ■ Evaluation - The cathodic protection effect completely suppresses the occurrence of rust *For more details, please refer to the catalog or feel free to contact us.*
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Company information
We offer products under the 'BRAVE' brand, focusing on post-installed anchors, providing fastening and bonding technologies that meet the diverse needs of the construction industry. Through fastening technologies that expand possibilities, we support the future of the industry and deliver innovative solutions that pursue safety and efficiency.