YG (B) 822LZ zipper twist tester (YG (B) 822LZ Lightning twist test machine)

(Scope of application): Used for torsion resistance test of the pull head and pull piece of metal, injection molding, and nylon zippers. (Relevant standards): QB/T2171, QB/T2172, QB/T2173, ASTMD2061, DIN 3419-1 (Application): Torque test for lightning tails made of metal, cast plastic, nylon. (Related Standards): QB / T2171, QB / T2172, QB / T2173, ASTM D2061, DIN 3419 - 1