... )≥HFlexibility(mm)≤2wear resistance(750g/500r)/g≤0.040Water resistance(7d)No blister, no drop, allow light discolorOil resistance(120#oil ... , 7d)No blister, no drop, allow light discoloralkali resistance (10% NaOH, ... )No blister, no drop, allow light discolorBrine resistance(3% NaCl, 7d)No blister, no drop, allow light discolor