The problem of anti - splashing of textile fabrics
As for the pu hard to say the best general now coated plants are pa more Tu Tektronix should be able to solve your coating problems
The permanent water repellent finish can not be made with only waterproof yarns
Better water repellent treatment is divided by water pressure is not left without traces of the high, if you must leave no trace you can wax
Finally, I feel that your customers are too concerned about my proposal is to take your fabric to the detection agency (if you are Shengze Sheng Hong can) test that there are several non-compliance, if all the standards I believe your customers There is nothing to say