Sa2.5 (Near White Metal Blast Cleaning) is generally considered to be equivalent to the SSPC SP-10 standard.
"ISO Sa2.5" refers to one of the standards for surface preparation established by ISO (an international non-governmental organization based in Geneva, Switzerland, aimed at creating internationally common standards). It requires the removal of visible contaminants (such as oil, dirt, rust, and oxides) from the surface, allowing only minor stains in the form of spots or streaks. "The Benefits of Using ISO Sa2.5" ISO Sa2.5 is the second highest cleanliness standard in surface preparation. The top standard, ISO Sa3, requires the removal of almost 100% of surface contaminants, which poses issues of cost and time. ISO Sa2.5 allows for up to 5% of minor contamination, reducing costs while still ensuring sufficient cleanliness, making it a widely used standard. Surfaces prepared to Sa2.5 can maximize the performance of coatings, prevent early delamination of the paint film, and extend the product's lifespan. This specification is often chosen for harsh environments, such as coastal areas with high corrosion.
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basic information
"Work Method for ISO Sa2.5" 1. Remove slag, welding spatter, and other contaminants adhering to the surface. 2. Use solvents to remove oils, greases, and other substances adhering to the surface. 3. Remove all foreign materials adhering to the surface by blasting. 4. Remove dust and debris with clean, dry air. "Points to Note for ISO Sa2.5" Feasibility of Work Based on Environmental Conditions - Please stop work on days with bad weather or high humidity. Painting Process After Completion of Work - The surface after blasting becomes active and rust can form in a short time, so painting must be done promptly. - If rust occurs again before painting, blasting treatment must be performed again. - A comparison of the "condition of the steel before blasting" and the "condition of the steel after blasting" is made with photographs, and the acceptability of the processing is judged by comparing the actual photos with the product.
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※*Delivery times may vary depending on the quantity, so please feel free to contact us.
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Detailed information
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Turning your troubles into good experiences for our customers. We respond to such customer requests. From "nothing" to "something." Creating "one-of-a-kind" products instead of "mass production." At Harada Iron Works, we strive to fulfill your desires. To meet the diverse needs of our customers, we provide a consistent production service from material procurement to painting and installation, helping to shorten delivery times and reduce total costs. With over 70 years of experience, we are committed to providing even greater "high added value" to our products through the skills and know-how we have honed over the years. If you have any questions about production or painting, please feel free to contact us. We look forward to hearing from you. For anything related to blasting and painting, you can trust us. Harada Iron Works Co., Ltd. Hiroshima TEL: 082-232-2445 FAX: 082-293-0286 Contact: Tao Mobile: 090-3742-9768 Email: bousei@harada-tekkou.co.jp Please feel free to contact us for consultations or estimates.
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Company information
Our company manufactures products tailored to the diverse needs of various sites. We respond to customer requests with our capabilities, excellent location, and thorough quality and delivery management. You can trust us with everything from material ordering to can manufacturing, processing, surface preparation, and painting. Additionally, we have dedicated many years to research and development in rust prevention, and we possess solid technology and equipment as a "rust prevention department," also handling tasks such as paint stripping. Please feel free to contact us with any inquiries.
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