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常見(jiàn)可燃?xì)怏w種類及爆炸下限指數(shù)
| 氣體類型分子式爆炸下限(％LEL)火災(zāi)危險(xiǎn)性分類容許濃度(mg/m3)蒸汽比重(空氣=1)甲烷CH45.0甲(甲A)0.55乙烷C2H63.0甲(甲A)1.04丙烷C3H82.1甲(甲A)1.56丁烷(正丁烷)C4H101.9甲(甲A)2.05戊烷(液體)C5H121.4甲B1000ppm2.48正己烷(液體)C6H141.1甲B500ppm2.97正庚烷/白電油CH3(CH2)5CH31.2甲B3.45辛烷(液體)C8H180.8甲B3.86壬烷C9H200.7乙A4.4環(huán)丙烷C3H62.4甲(甲A)1.88環(huán)戊烷C5H101.4甲B2.42異丁烷C4H101.8甲(甲A)2.01環(huán)己烷C6H121.3甲B2.9異戊烷C5H121.4甲B2.48異辛烷(液體)C8H181.0甲B3.86乙基環(huán)丁烷C２H５C４H７1.2甲B2.9乙基環(huán)戊烷C7H141.1甲B2.64乙基環(huán)己烷C8H160.9乙A3.9甲基環(huán)己烷C7H141.2甲B3.39乙烯C2H42.7甲(甲A)0.975丙烯C3H62.0甲(甲A)1.461-丁烯C4H81.6甲(甲A)1.932-丁烯(順)C4H81.7甲(甲A)1002.02-丁烯(反)C4H81.8甲(甲A)1002.0丁二烯C4H62.0甲(甲A)100ppm1.84異丁烯C4H81.8甲(甲A)2.0乙炔C2H22.3甲(甲A)0.93丙炔C3H42.5甲(甲A)1.38苯(液體)C6H61.3甲B40[皮]2.8甲苯(液體)C7H81.2甲B1003.9乙苯(液體)C8H101.0甲B3.66二甲苯(液體)C8H101.1甲B1003.69苯乙烯C8H81.1乙A403.6環(huán)氧乙烷C2H4O3.0甲A50.750環(huán)氧丙烷C3H6O2.8甲B2.00甲基醚C2H6O3.4甲(甲A)1.6乙醚C4H10O1.9甲B2-6乙基甲基醚C3H8O2.0甲A2.1二甲醚C2H6O3.4甲(甲A)1.59二丁醚C8H18O1.5甲B4.48甲醇(液體)CH3OH6甲B1.11乙醇(液體)C2H5OH3.3甲B1000ppm1.59丙醇(液體)C3H8O2.0甲B2002.10正丁醇(液體)C4H9OH1.4乙A2.55戊醇C5H12O1.2乙A3.04異丙醇C3H8O2.0甲B2002.07異丁醇C4H10O1.7乙A2.55甲醛CH2O7.0甲(甲A)0.99乙醛C2H4O4.0甲B1.52丙醛 C3H6O2.3甲B2.0丙烯醛C3H4O2.8甲B1.94丁醛C4H8O1.4甲B2.5丙酮(液體)C3H6O2.6甲B500ppm2.48(甲)丁酮(液體)C4H8O1.8甲B2002.48環(huán)己酮C6H10O1.1乙A3.4乙酸C2H4O25.4乙A2.10甲酸甲酯C2H4O24.5甲B2.07甲酸乙酯C3H6O22.7甲B2.55醋酸甲酯C3H6O23.1甲B2.56醋酸乙脂(EA)2.2甲B3.04醋酸丙脂CH3COOCH1.7甲B3.5醋酸丁脂CH3COOC4H91.4甲B3.99醋酸丁烯脂2.6甲B2.97丙烯酸甲酯C4H6O22.8甲B2.97呋喃C4H4O1.3甲B0.52.35四氫呋喃C4H8O2.3甲B200ppm2.5氯代甲烷(CMS)10.7甲(甲A)1.8氯乙烷C2H5Cl3.6(甲A)2.2溴乙烷C2H5Br6.7甲B3.79氯丙烷C3H7Cl2.6甲B2.71氯丁烷C４H９Cl1.8甲B3.2溴丁烷CH3(CH2)3Br2.6甲B4.7氯乙烯C2H3Cl3.6甲B(甲A)2.15烯丙基氯C3H5Cl2.9甲B2.64氯苯C6H5Cl1.3乙A6.51,2-二氯乙烷C2H4Cl26.2甲B253.351,1-二氯乙烯C2H2Cl26.5甲B3.4硫化氫H2S4.3甲B1.19二硫化碳CS21.0甲B10[皮]2.64乙硫醇C2H5SH2.8甲B2.14乙腈C2H3N3.0甲B1.42丙烯腈CH2:CHCN3.1甲B20ppm1.8硝基甲烷CH3NO27.1乙A2.11硝基乙烷C2H5NO23.4甲B2.58亞硝酸乙酯C2H5NO23.0甲B2.59氰化氫HCN5.6甲B0.3[皮]0.93甲胺CH3NH24.9甲(甲A)1.09二甲胺C2H7N2.8甲1.55砒啶C5H5N1.8甲B5ppm2.73氫氣H24.1甲0.07天然氣3.8甲城市煤氣4.0甲8.23液化石油氣1.0甲(甲A)輕石腦油1.2甲B2.49重石腦油1.0甲B2.79汽油(液體)C4-C121.1甲B3003-4噴氣燃料0.6乙A5.00煤油(液體)C10-C160.6乙A4.5氨氣NH315.7300.76柴油(液體)-0.60.15松節(jié)油(液體)C10H160.83004.84天那水(香蕉水)>1 |
| 說(shuō)明：上述可燃?xì)怏w或可燃液體蒸氣所用傳感器的檢測(cè)原理為催化燃燒或半導(dǎo)體式或紅外式;本數(shù)據(jù)引自 |
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