modified pbt yarn

about Modified PBT sweater Dty high stretch yarn.    
u can use this yarn directly with viscose or acrylic when making sweater.

it's elasticity is better than nylon. it can replace nylon. 

it's slightly intermingled.

about 40D/2ply .
it's 40D/24f  S twist + 40D/24f Z twist= 75-80d

70D/48F  S twist + 70D/48f Z twist=140D

it is cone, pls check the pic.

and we produce dope dyed, dont need dyeing.

now we have black 40D/2ply sample
it's deep black, and our client use this yarn now.