Regarding substrate preparation using power tools【SSPC SP-3】.
"SSPC SP-3" 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 power tools such as sanders, wire brushes, chipping hammers, and needle guns. Harmful substances such as loosely adhered rust, mill scale, and paint films on the surface are removed, but firmly adhered rust, mill scale, and paint films are allowed. Visual inspection is conducted. [Summary of SSPC Standards] https://www.nc-net.or.jp/company/98405/product/detail/208826 "Benefits of Using SSPC SP-3" SSPC SP-3 is the standard for surface preparation when using power tools. Since blasting requires equipment and generates dust and noise, it is selected in cases where it is difficult to consider the surrounding environment. Additionally, SP-3 may be used for surface preparation when correcting partially damaged paint. While it is a convenient method that does not require equipment, it cannot remove firmly adhered rust, mill scale, or paint films.
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basic information
"Work Method for SSPC SP-3" 1. Remove any slag or other contaminants adhering to the surface. 2. Remove dirt, oil, grease, etc., from the surface using SSPC SP-1 (solvent cleaning). 3. Use power tools to remove weakly adhered hazardous substances from the surface. 4. Remove dust and debris with clean, dry air. 【Surface treatment performed with SSPC SP-1 (solvent cleaning)】 https://www.nc-net.or.jp/company/98405/product/detail/210619/ "Points to Note for SSPC SP-3" Confirmation of Contamination Status - It is necessary to confirm that the air used does 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 clearly define the required standards with photos and text. At Harada Iron Works, we also accommodate surface preparation using SSPC SP-3, but since the cleaning level and adhesion may be insufficient with SP-2 surface preparation, we generally recommend surface preparation using blasting.
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Turning your troubles into satisfaction. We respond to such customer requests. From "nothing" to "something." Creating "one-of-a-kind" rather than "mass production." Harada Ironworks is dedicated to fulfilling your desires. 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" to our 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.
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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.