Filter sand coarse 1.4- 2.5 mm / 25 kg
32,67 €
Quality sand for sand filters. Washed, dewatered and dried sand, free of bacteria and sorted by size. Produced according to DIN EN 12904.
Well-defined content, sorted by size. The most efficient way to use sands in your sand filter.
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Quality sand for sand filters
Washed, dewatered and dried sand that is free of bacteria and sorted by size.
Produced according to DIN EN 12904.
Well-defined content, sorted by size. The most efficient way to use sands in your sand filter.
Variants:
8319 Fine sand, 0.4-0.8 mm. 25 kg.
8320 Coarse sand, 1.4-2.5 mm. 25 kg.
Application
The sand in the filter is changed when the filter's efficiency decreases.
A sand filter is filled with 1/3 coarse sand at the bottom and 2/3 fine sand at the top. The filter is filled to where the cylinder begins to curve inward.
Specifications
Composition (% by weight) Fine sand Coarse sand
Item no. 8319 8320
Grain size 0.4-0.8 mm 1.4-2.5 mm
Iron(III) oxide, Fe2O3 0.058 0.441
Aluminum oxide, Al2O3 0.367 1.145
Potassium oxide, K2O 0.24 0.306
Calcium oxide, CaO 0.013 0.444
Sodium oxide, Na2O 0.018 0.272
Silicon dioxide, SiO2 99.05 96.66
Chloride content – According to DS/EN 1744-1 ≤ 0.001% ≤ 0.001%
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| Weight | 25 kg |
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