ST-tpype metllic yarn is 12 micro polyster film metallized with aluminum coving with rayon(120D,150D or other size).It can be used in vary aspects. Technology Data: Content Sliver(m/kg) Gold and Color(m/kg) Cone 1/164 ，12u：Metallic Yarn 150D Rayon 39000 38400 125g 1/164 ，12u：Metallic Yarn 250D Rayon 25000 24200 125g 1/164 ，12u：Metallic Yarn 70D Nylon 68000 66000 125g Packing Type Cone Net Weight Gross Weight Packing Box(cm) L 125g 12.5kg 20.8kg 71?37?40