What is "keren," often heard in painting? Purpose and types.
Keren refers to "the process of removing foreign substances attached to the surface of the object to be painted before painting." It is said to be derived from the English word "clean."
How does Keren work? Keren basically removes foreign substances by grinding or rubbing the surface. For example, it involves polishing the surface with sandpaper or a brush. Additionally, depending on the method of work, it is classified into four types known as Type 1 Keren to Type 4 Keren. What are the four types of Keren? Type 1 Keren... Blast method. A method that involves colliding abrasives with the surface at high speed for grinding. Type 2 Keren... Uses power tools. A method that involves rubbing the surface with tools like grinders. Type 3 Keren... Uses hand tools. A method that involves rubbing the surface with tools like wire brushes. Type 4 Keren... Uses hand tools. A simple cleaning and roughening method using sandpaper. As such, the types are categorized by the method of work, and the degree of cleanliness is as follows: Cleanliness Low ➩➩➩➩➩➩➩➩➩➩➩➩➩➩ High Type 4 Keren Type 3 Keren Type 2 Keren Type 1 Keren [Difference between Type 1 Keren and Type 2 Keren in terms of stripping] https://www.nc-net.or.jp/company/98405/product/detail/186195/ Harada Iron Works possesses large equipment dedicated to the highest level of Keren, "Blast."
- Company：原田鉄工
- Price：Other
