Qualitative filter paper, circles Made from 100% cellulose. Ash content 0.06%. Filtration speed according to DIN 53137. Capacity of separation according to DIN 53135. Slow, pore size 2 to 3µm. -for BaSO4, SnO4, CuO, Cu2O
Product Specification: Diam.: 90.0mm Filtration time: 180 secs.
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