металлические нити

metallic yarn: metallic yarn is a kind ofpolyester film covered with metal,afterdividing and separating and wrapping into thinthreads,which is wide used in knitting, cloth material and embrodery, and so on. which make the product with shinning and glitter. standard width,1/32',1/69',1/85',1/100',1/110',1/168' there are 3 grades by its features: 1) common: usd in normal products without acid or alkli dealing. 2)middle quality: can endure the weak acid or alkli dealing in high temperature. 3)high quality: can endure the strong acid or alkli dealing in high temperature. only silver and gold colors.