YG (B) 821LH zipper light slip tester (YG (B) 821LH lightning test)

(Scope of application):Used for testing the smoothness of zippers made of metal, injection molding, And nylon. (Relevant standards): QB/T2171, QB/T2172, QB/T2173, ASTMD2061, DIN 3419-1, CNS-1083, Satra TM50 (Application): Lightning fastener slip test for Lalla, pressure castings, nylon lightning fasteners. (Related Standards): QB / T2171, QB / T2172, QB / T2173, ASTMD2061, DIN 3419 - 1, CNS - 1083, Satra TM50