stretch. the elasticity of these fabrics is a result of the yarns of which they are made of. the most popular yarn is spandex , then there is a rubber core yarn, and there are specially made stretchy yarns made of polyester, nylon and natural fibers. to ascertain the stretch you will have to go by the...
. asian synthetic fiber prices remain more than percent below the world average, down from percent below as of the end of . the european synthetic fiber price index has increased percent year-to-date. european prices are nearly percent above the global average, helped by strong demand and capacity utilization...