渗入石材内部后发生化学反应，生成与石材结构相同的锈黄色无机矿物质显色离子，从而达到加深和改变石材颜色的目的，该反应过程在自然状态下是不可逆过程，因此不会有褪色的危险，颜色自然逼真，对石材的物理机械性能没有影响，经科特防护剂再次固定处理后，颜色可达到与石材的天然颜色相同的色牢度效果。

Into the stone after internal chemical reaction to produce the same stone structure yellow rust color inorganic mineral ion, so as to deepen and change the color of the stone objects, and the reaction process in the natural state is an irreversible process, due to this is not in danger of fading, natural and realistic colors, no effect on the physical and mechanical properties of the stone, the anti-Cote Protective agent again after fixing treatment, the color can be achieved with natural stone color fastness same effect.