Despite having a strong alkalinity of pH 12, it does not corrode aluminum! Introduction to the testing of carbon cleaning agents.
The difficult-to-remove carbides (hard carbon) attached to the EGR cooler were cleaned by crushing them with tools such as drills. "KST-AL" was developed to clean the carbon attached to aluminum EGR coolers. This document introduces the product's cleaning tests. As a preliminary test, we used a motorcycle piston to confirm aluminum corrosion and to check the carbon stain removal processing time and processing temperature. [Contents (partial)] ■ Introduction ■ Cleaning Test Method ■ Preliminary Test ■ Visual Confirmation Before Cleaning ■ Results *For more details, please refer to the PDF document or feel free to contact us.
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【Testing Method】 ■Heating KST-AL detergent for immersion testing ■Rinsing with a high-pressure washer after immersion cleaning *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Company information
Our company was founded in September 1988, taking part in the development of a purely domestic rocket. After restructuring into P&C Service Co., Ltd. in April 2007, we transformed into Hikari Takashi Space Technologies Co., Ltd. on May 1, 2018, and have now been reborn as KST Co., Ltd. Up to today, we have focused on special cleaning and pressure-tightness testing, advocating for "zero defective outflow and nonconformity!" and have built our know-how. Currently, we are not limited to aerospace; we also engage in various contracted testing, design and manufacturing of related equipment, manufacturing and assembly of rocket components, production and maintenance of high-pressure gas equipment, and further, we are involved in the development and manufacturing of cleaning agents, expanding our business widely.