PP(Polypropylene)Bristle:
For cleaning normal hard surface.
PP is an economical alternative
PA(Nylon) Bristle:
More flexible and softer.
For carpet extracting and cleaning
Silicone carbide impregnated nylon bristle:
As the nylon bristle wears, the silicone carbide is constantly exposed,giving the brush a longer life and fantastic cleaning result, offering a wide range of cleaning situations,such as heavy oiled concrete,expoxy,PVC and ceramic.