拉链强力 zipper strength拉链的往复性 reciprocating test拉链耐用性 durability of zipper拉链的使用性能 operability of zipper魔术贴剪力 shear strength of hooks& loops fastener(velcro tape)魔术贴撕离力 peeling strength of hooks& loops fastener(velcro tape)魔术贴分合 consecutive adhere/ separation exercising on hooks& loops fastener(velcro tape)金属抛光物的锈蚀/变色试验 corrosion/ tarnish test on metallic finishes按钮分开强力 unsnapping og snap fasteners金属钮扣、铆钮的紧固试验 security of metallics buttons, rivets, ets.按钮的紧固试验 security of snap button钮扣强力 strength of buttons耐洗液腐蚀性 resistance to wash liquor耐干洗溶剂腐蚀性 resistance to drycleaning solvents钮扣撞击测试 button impact test钮扣拉力试验 button tension test钮扣钮力试验 button torque test按钮附着力 snap attachment strength装饰物附着力 trim attachment strength