How to clean the rubber mat for floor

After using the rubber mat for floor for a period of time,it will be dirty.So how can we effectively clean the mat without damaging the mat?
One,in the clean water,add 1 cup of fabric cleaner to each half barrel,and the rubber mat for floor for floor for floor looks like new
Second,clean the rubber mat for floor for floor for floor with multi-function cleaner solution
Third,ammonia water cleaning
(1)10%ammonia water can be poured into the stains before cleaning.
(2)put the mat into the container,add water and detergent,soaking for thirty minutes or so.
(3)take the mat out of the container and scrub it gently with a brush.
(4)wash the mat with water and dry it in a cool place.