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Specifications

To testing the yarn twist of roving .

Specifications: 

Testing method: Direct “untwist" method 
Testing Length Range: 0~300mm
Measuring Range: 1~500
External Dimensions:600*120*220mm (L*W*H)

Standard: GB/T2543.1  GB/T2543.2  ISO2061 17202  BS2085  ASTM D1422 ,1423 

Accessories: magnifying glass , Analysis needle