Slider Pull-Off Force: Slider Pull-Off Force (拉头分离力)
The force needed to pull a slider off the chain in a direction perpendicular to the tape. It indicates how securely the slider wings and channel grip the teeth. A low value means the slider can be forced off accidentally, exposing sharp edges and ruining the closure. The test uses a standard fixture and constant speed, and the result must exceed the minimum stated in the applicable standard.