比利牌UB58油必強力麻石去污劑

  本產品專為除去頑固污漬這特效產品，對一系列的石材煙氣化造成的污漬尤見效能（此產品強度比BERT-27度數高，使用前要先小部份試用后才用）

  使用方法：先用清水把本品稀釋，然后用刷子、滾筒器或噴霧器涂在污處，嚴重的污漬不用稀釋，涂上污處時間不要太長，清洗后注意過清水。

  UB 58 STRONG CLEANING FOR GRANITE

  This is a product special for cleaning the obstinate spots, especially due to fireworks

It is better than BERT-27, you must use a little to try first. Application: Dilute in water first, then spread on the spot with machine, if the spot is very serious, do not dilute and do not last too long, then clean it with water.