FM 21s-60s siro spining
JC/ FM 50/50 21S -60S siro spining
JC/FM 60/40 21S-60S siro spining

variety:Thailand Moder/fine carding 50/50 40sk siro-spun Itemweight deviationweightCV%single thread strengthsingle thread rupture strengthsingle strengthCV%pieceCV%thinnessthicknesscottontwisttwist factor twist uneven