This standard specifies the test methods for the full-section tensile strength, elongation at reference force and elongation at break of V-belts. This standard applies to all kinds of V-belts.
GB/T 3686-1998 history
2014GB/T 3686-2014 Belt drives.V-belts and V-ribbed belts.Tensile strength and elongation test method
1998GB/T 3686-1998 V-btlts--Tensile strength and elongation test method