Kremer Propolis - 100g Kremer Pumice Powder 0 - 40 μ - 1kg Item No. K599900 Manufacturer Kremer Kremer Pumice Powder 00 < 180 μ… Kremer Pumice Powder 0 - 40 μ - 1kg Pumice flour serves as an aggregate for the plaster and mortar industry and for polishing. × Kremer Pumice Powder 0 - 40 μ - 1kg