MG Chemicals 841WB-15ML Super Shield Water-Based Nickel Conductive Paint, 12 mL – EMF/EMI Shielding Paint These collection boxes to store

These collection boxes to store rock and mineral specimens are rugged polystyrene

predictable separation and climb

5-mil thick

but they're either expensive or difficult to use

20 discs of 40-Grit

MG Chemicals 841WB-15ML Super Shield Water-Based Nickel Conductive Paint, 12 mL – EMF/EMI Shielding Paint These collection boxes to storeThis EMF paint is a 1 part, water based conductive coating, pigmented with highly conductive nickel flake. Unlike diamagnetic conductive fillers like carbon, copper, or silver that only shield the electric component of electromagnetic waves, nickel is ferromagnetic and blocks the magnetic component as well. It is easy to use, with no let down and no heat cure necessary. It can be applied by spray, brush, or roller. It is excellent for use on wood and