Open-pit copper mines and deep underground coal shafts present brutal impact risks: heavy falling rocks strike not only the toes, but the fragile metatarsal bones of the upper foot. GUANGHE SAFETY's Mining Boots integrate XRD® extreme impact metatarsal guards (tested to EN ISO 20345 'M' code and ASTM Mt/75), absorbing and dissipating up to 90% of dynamic impact energy while flexing naturally during walking. Sealed with an internal waterproof breathable bootie membrane (S7S rating tested to 300,000 flex cycles in water), these boots keep feet completely dry in flooded mine shafts while heavy-lugged 300°C HRO nitrile rubber treads grip loose scree.
1. Hazard Profile vs. Footwear Engineering Defense Matrix
| Workplace Hazard Profile | Occupational Health Risk | GUANGHE Footwear Countermeasure |
|---|---|---|
| Primary Hazard: Falling rock boulders on instep (100J M mark), dri… | Crush, puncture, severe bone trauma | 200J Impact Cap + 15kN Static Compression + 1100N Midsole |
| Environmental Conditions | Chemicals, fluids, slip hazards | Dual-density PU injection / 300°C HRO nitrile tire rubber |
| Footwear Specifications | EN ISO 20345:2022 S7S M HRO SR, AS/NZS 2210.3, ASTM F2413-18 Mt/75 | Full batch compliance verified on Samsung Model 615 tester |
2. Procurement Specification & Golden Sample Protocol
Application Field: Underground & Open-Cast Mining
Factory MOQ: 1-Pair evaluation sample (48h air express dispatch); 100-pair private label trial; 500+ pairs custom spec.
Quality Assurance: 100% pre-shipment destructive testing; AQL 1.5 Major / 2.5 Minor sampling; Intertek Audit #CNIR2607SH15266.
Consult with Gaomi Guanghe's Footwear Engineering Desk
Contact our technical director for custom ASTM/CE test reports, 20GP/40HQ container freight simulation, or rapid 5-day counter-sampling.