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Stretched Metal Mesh: A Corrosion-Resistant Barrier for Cobalt Mining in Morocco

2026-03-24


In the hydrothermal environment of the Bouazzer cobalt mine, acidic slurry (pH 2-5) poses extreme corrosion risks to equipment. The stretched metal mesh, crafted from 316L stainless steel and reinforced with a graphene barrier layer, reduces ion permeability by 90%, withstanding prolonged sulfide corrosion in cobalt slurry. Its diagonal stretch structure enhances impact resistance, reducing mesh deformation by 40% compared to traditional screen plates in high-stress areas like crusher outlets. At one cobalt mine, adopting expanded metal mesh extended screening equipment lifespan from 8 months to 3 years, saving over 2 million dirhams annually in maintenance costs.

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