These small, cup-like and porous containers feature a hemispherical depression design that focuses the heat on the center. They are ideal for fire assaying purposes, and for collection gold and silver from lead. They typically absorb about 90% of the lead (10%) turns into an oxide that will be released into the atmosphere. Please use in a well ventilated area.

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• Features a hemispherical depression that focuses the heat on the center
• Ideal for drawing out lead from molten gold and silver metal
• Please proper use proper safety and caution while being used; and use in a ventilated area

Features a hemispherical depression that focuses the heat on the centerPMC Supplies