... resistance,high acid and alkali resistance. 3.widely usage The sisal fibers, with long and white color, strong and pliable, good ... , doormat and other different kinds of products, The executive standard of sisal fibre: GB/T 15031-94GRADELENGTHCmBUNDLE FIBRE STRENGTH N/G 300mmIMPURITIES ... ≤3.5≤13C GRADE≥70≥780≤5.0≤13 Natural Sisal Fiber Materail