steel insoles of Work Boots & Safety Footwear meet the Standard: EN ISO 12568:1998

steel insoles of Work Boots & Safety Footwear

1.Meet the Standard: EN ISO 12568:1998

2.Penetration Resistance : 1100N above

3.Flexing Resistance: No Crack After 1×106 Flexes

4.Corrosion Resistance of Metal Penetration Insert: No Corrosion after 1% Salt Solution,48 Hours