Polyester Yarn( Gas Spun & Ring Spun)
1.     Introduction
Polyester yarn, main raw material for string wound cartridge, is made from nontoxic odorless premium polypropylene slice which is chopped into fibers, combed and spun into one-ply polypropylene yarn during process.
 
2. Specifications( Unusual size can be manufactured as per the order)
Gas Spun Yarn(g/m means grams per meter): 0.8g/m, 0.9g/m, 1g/m;
Ring Spun Yarn: 0.8g/m, 0.9g/m, 1g/m, 1.2g/m
 
3. Main technical parameters of Polypropylene yarn
Color: viginal white or Bleach white    
Size:φ1.8mm;      
Fiber length: 65, 75mm two kinds
Denier: 800-1200 Dtex   
Fiber strength: 10kg 
Twist: 120-180/m
Twist direction: Z(Clockwise);         Oil length<0.5%
Foaming Height<3mm after 10 seconds; foaming height<1mm after 40 seconds