The removal of weakly adhering harmful substances is required, but it is only permissible for those that are firmly attached. This is a standard used when surface preparation by blasting is difficult.
What is SSPC SP-2?" SSPC is a non-profit organization in the United States that specializes in coatings for the protection of industrial and marine structures. It is one of the standards established for surface preparation. Surface treatment is performed using hand tools such as files, wire brushes, and scrapers. Harmful substances like loosely adhered rust, mill scale, and paint films on the surface are removed, but firmly adhered rust, mill scale, and paint films are acceptable. Inspection is conducted visually. "What do the terms 'surface preparation' and 'substrate treatment' mean as written in the specifications?" Generally, it is considered equivalent to the ISO St2 standard. "For information on ISO standards, please refer to the link below." "ISO St2: Surface preparation performed with hand tools.
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"Work Method for SSPC SP-2" 1. Remove any slag or similar materials adhering to the surface. 2. Remove dirt, oil, grease, etc., from the surface using SSPC SP-1 (solvent cleaning). 3. Use hand tools to remove harmful substances that are weakly adhered to the surface. 4. Remove dust and debris with clean, dry air. "Precautions for SSPC SP-2" Confirmation of Contamination State - It is necessary to confirm that the tools used do not contain moisture or oil. Regarding Work Procedures - Overly roughening or smoothing the surface may lead to early peeling of the coating. - Since the required finish condition varies depending on the state of the steel before surface preparation, it is important to clarify the required standards through photos and text. "Benefits of Using SSPC SP-2" SSPC SP-2 serves as the standard for surface preparation using hand tools, as blasting requires equipment and generates dust and noise, making it difficult to use in consideration of the surrounding environment. It is also sometimes used for surface preparation when correcting partially damaged coatings. While it is a convenient method that does not require equipment, it cannot remove adhered rust, mill scale, or coatings.
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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" rather than "mass production." Harada Iron Works is dedicated to fulfilling your wishes. To meet the diverse needs of our customers, we provide a consistent production service from material procurement to painting and installation, assisting in reducing lead times and total costs. With over 70 years of experience, we are committed to providing even greater "high added value" products through the skills and know-how we have honed over the years. If you have any inquiries regarding production or painting, please feel free to contact us. We look forward to hearing from you. For blasting and painting, leave it to 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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Our company manufactures products tailored to the diverse needs of various sites. We respond to customer requests with our capabilities, advantageous 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, establishing a solid technology and facilities as a "rust prevention department," and we also perform tasks such as paint stripping. Please feel free to contact us with any requests.