主要測(cè)試規(guī)格如下表：
ANNEX
DUST COMPOSITION
Composition Number 1 Benign
Particulate | Weight % | Size ＊ | Chemical Nomenclature |
Silica 二氧化矽 | 36 | 2 - 7 | SiO2 |
Calcite 方解石 | 29 | 2 - 7 | CaCO3 |
Iron Oxide 氧化鐵 | 12 | 2 - 4 | Fe2O3 |
Alumina 鋁 | 8 | 2 - 5 | Al2O3 |
Gypsum 石膏 | 5 | 2 - 7 | CaSO4 |
Paper Fibers 紙纖維 | 3 | 3 – 150 diameter 12 | |
Cotton Fibers 棉纖維 | 1 1 1 | 10 – 1500 diameter 13 2540 nom. diameter 13 6350 nom. diameter 13 | |
Polyester Fibers多元酯 | 1 1 1 | 7 – 1500 nom. diameter 22 2540 nom. diameter 22 6350 nom. diameter 22 | |
Carbon Black 黑碳 | 1.0 | 0.01 – 0.02 | |
＊ Notes：
1. All sizes are in micrometers.
2. Paper, cottonpolyester fibers relate to length. All other elements are diameters.
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