Trial spinning is described through analysis on the spinnability of trivoltine cocoon waste material, which can produce ultrafine spun silk yarn due to its excellent spinnability.

对三眠茧绢纺原性进行了可纺性分析，绍了其试纺情况。试纺明，三眠茧绢纺原有良好可纺性，并达到纺超高支绢丝目。