本产品为强力之工业用除污剂，对一系列石材的油渍和渍斑，毛板材的烟污渍效能奇佳，清洗后注意过清水（此产品强度比LEM3度数高点，使用前小部份试用后才用） 使用方法：先用清水稀释本品，然后用刷子、滚筒式喷雾器涂在污处清洗完后注意过清水，候干后便产生完美效果。 K3 STRONG CLEANING FOR GRANITE This is a product special for cleaning the obstinate spots, especially the spots made by the fireworks and oil. It is better than LEM-3, you must use a little to try first. Application: Dilute in water at first, then spread on the spot with machine. After a little time, your must clean the stone with water.