Back-to-back hook and loop materials mainly include nylon and polyester. Nylon is not easy to burn, soft to the touch, suitable for use on clothing, and environmentally friendly. Polyester is easy to burn, produces black smoke and pungent odor, and feels harder, but the mixed material that combines the characteristics of nylon and polyester has better durability and is not easy to BURN .
Além disso, outro tipo de material para gancho e loop consecutivo é o velcro adesivo, que é feito de material de nylon a grau A, muito macio, geralmente usado em roupas íntimas e produtos para bebês, e não causará danos à pele .
