Description
7A cupels are the same diameter as SA's, but are taller for additional capacity.
Each Cupel will absorb 41.7 grams of lead. Cases (19.5" x 12" x 6.5") contain 420 cupels.
Cupels are made from high quanlity dead burnt magnesia (MgO). Hard, smooth surface with consistency in weight and size. Provide exceptional results in gold mines, precious metal refiners, alloy melters, hallmarking, geological and test laboratories worldwide.
| CUPEL DIMENSION DATA | ||||||||||||||
Size | Outer Dia | Dia of Cup | Dia of Bottom | Width of Ridge | Height of Cupel | Depth of Cup | Height of Ridge | Weight (Approx) | ||||||
7A | D | D1 | D2 | W/R | H | H1 | H2 | (grams) | ||||||
mm | 39.7 | 31.2 | 30.0 | 4.25 | 28.5 | 11.8 | 9.0 | 59.0 | ||||||
inch | 1.56 | 1.22 | 1.18 | 0.16 | 1.12 | 0.46 | 0.35 | 59.0 | ||||||
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