The cleaning rust remover and water are mixed uniformly in a ratio of 1:0-1 (when the stone rust yellow is severe, it can be diluted), and the rust is directly applied to the rust of the stone. The Q-308N granite cleaning agent can only remove the surface rust spots on the matte granite. If you want to remove the deep rust on the granite, you must use the Q-330X granite cleaning rust remover.
The cause of rust can generally be divided into two categories: First, the iron contained in the stone itself, each stone itself contains iron components to varying degrees. When the rain comes in contact with the iron in the stone, it will slowly form rust. Second, the foreign iron pollution, such as processing is the residual steel grit, iron tools and scaffolding during installation and construction, metal fittings for decoration, use of improper cleaning materials or improper use of the cleaning materials after the end of installation and construction. Cleaning methods, etc.