Settings of the combustible gas alarm. Under what circumstances is it necessary to install Category C?
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Serial Number, Name, Fire Hazard Category, Flash Point (°C), Boiling Point (°C), Density (relative to water = 1), Explosive Limit (V/V%), Exposure Limit, Degree of Toxicity Hazard:1. 3-Amino-5-***dithiazole: 207.1, 418.8, 1.621, /, /, IV
Serial Number, Name, Fire Hazard Category, Flash Point (°C), Boiling Point (°C), Density (relative to water = 1), Explosive Limit (V/V%), Exposure Limit, Degree of Toxicity Hazard:
2. Pentanenitrososulfuric acid: 2.123, //, IV
3. Pentanesulfuric acid: /, /, 1.816, 1 (PC-TWA), 2 (PC-STEL), IV
4. N-Ethyl-N-hydroxyethyl-m-toluidine: 124, 240, 1.019, /, /, IV
5. Isooctyl acrylate: 822, 150.885, 90.8, -6.4, IV
6. Aminosulfonic acid: 2.15, //, IV
7. Natural gas: -161.5, 0.42, (-162°C, 5–16), IV
As shown in the table, except for natural gas which is used in boiler rooms, the rest are raw materials and auxiliary materials classified as Category C. Is it necessary to install combustible gas detectors?
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