Soot, pine <10 — 7.9 26 1 [68: Table F.1(b)] Table A.5.2.2(d) 1 m3 Vessel Test Data from Forschungsbericht Staubexposionen Chemical – Dusts Minimum Flammable KSt Mass Median Diameter Dust Hazard Material (μm) Class (g/m3) Adipic acid <10 60 8.0 97 1 Anthraquinone <10 10.6 364 3 — Ascorbic acid 39 60 9.0 111 1 Calcium acetate 92 500 5.2 9 1 Calcium acetate 85 250 6.5 21 1 Calcium stearate 12 30 9.1 132 1 Carboxy- methyl- 24 125 9.2 136 1 cellulose Dextrin 41 60 8.8 106 1 Lactose 23 60 7.7 81 1 Lead stearate 12 30 9.2 152 1 Methyl-cellulose 75 60 9.5 134 1 Paraformaldehyde 23 60 9.9 178 1 Sodium ascorbate 23 60 8.4 119 1 Sodium stearate 22 30 8.8 123 1 Sulfur 20 30 6.8 151 1 [68: Table F.1(c)] Table A.5.2.2(e) 1 m3 Vessel Test Data from Forschungsbericht Staubexposionen Metal Dusts – Minimum Flammable KSt Material Mass Median Diameter (μm) Dust Hazard Class Concentration (bar-m/s) (bar) (g/m3) Aluminum 29 30 12.4 415 3 Bronze 18 750 4.1 31 1 Iron carbonyl <10 125 6.1 111 1 Magnesium 28 30 17.5 508 3 Phenolic resin 55 7.9 269 2 — Zinc 10 250 6.7 125 1 Zinc <10 125 7.3 176 1
Soot, pine <10 — 7.9 26 1 [68: Table F.1(b)] Table A.5.2.2(d) 1 m3 Vessel Test Data from Forschungsbericht Staubexposionen – Chemical Dusts Material Mass Median Diameter (μm) Minimum Flammable (g/m3) KSt Dust Hazard Class Adipic acid <10 60 8.0 97 1 Anthraquinone <10 — 10.6 364 3 Ascorbic acid 39 60 9.0 111 1 Calcium acetate 92 500 5.2 9 1 Calcium acetate 85 250 6.5 21 1 Calcium stearate 12 30 9.1 132 1 Carboxy- methyl- cellulose 24 125 9.2 136 1 Dextrin 41 60 8.8 106 1 Lactose 23 60 7.7 81 1 Lead stearate 12 30 9.2 152 1 Methyl-cellulose 75 60 9.5 134 1 Paraformaldehyde 23 60 9.9 178 1 Sodium ascorbate 23 60 8.4 119 1 Sodium stearate 22 30 8.8 123 1 Sulfur 20 30 6.8 151 1 [68: Table F.1(c)] Table A.5.2.2(e) 1 m3 Vessel Test Data from Forschungsbericht Staubexposionen – Metal Dusts Material Mass Median Diameter (μm) Minimum Flammable Concentration (g/m3) (bar) KSt (bar-m/s) Dust Hazard Class Aluminum 29 30 12.4 415 3 Bronze 18 750 4.1 31 1 Iron carbonyl <10 125 6.1 111 1 Magnesium 28 30 17.5 508 3 Phenolic resin 55 — 7.9 269 2 Zinc 10 250 6.7 125 1 Zinc <10 125 7.3 176 1
NFPA%20652_Second%20Draftv4_May14.docx