各种材料的发射率材料温度(℃)发射率(εn)铝:抛光粗糙600℃氧化强氧化阳极氧化50~500225~57520~600100~5501000.04~0.060.039~0.0570.06~0.070.11~0.190.2~0.25铜:滚压自然表面黄铜无光黄铜板600℃加热氧化黄铜8#金铜砂研磨黄铜抛光的铜氧化到起黑皮的铜熔化的铜2250~350200~6002011551075~12750.060.220.59~0.610.20.0230.880.11~0.13纲和铁抛光的钢抛光的铁平滑的铁板完全生锈的铁板600℃氧化的铁板粗糙强氧化的铁板熔化的生铁熔化的软钢新轧制的钢铸铁锭100425~1025900~104019200~60038~2501300~14001600~18002010000.070.14~0.380.55~0.60.690.64~0.780.950.290.280.240.95钨230600~10001500~22300.0530.1~0.160.31镍抛光电镀镍后抛光600℃氧化的镍10020200~6000.070.050.37~0.38各种材料的发射率材料温度(℃)发射率(εn)铅:未氧化纯铅150℃氧化的铅125~2252000.057~0.0750.63铬:38~3500.08~0.26金:高度抛光的金抛光的白金100225~6250.020.034~0.1银:抛光磨光38~370225~6251000.02~0.030.02~0.030.03石棉纸石棉布石棉水泥板沥青白纸黑纸混凝土水石膏软辐射耐火砖强辐射耐火砖人皮肤无光黑漆白清漆各色油彩漆[油漆(全色)]变压器油煤(碳)上过釉的瓷器白色法郎硬橡賿40~3702025~3020200~10020500~1000500~10003640~9540~100100(100℃以下)25~3025~3022202338~3700.780.960.950.70~0.90.90.920.95~0.960.8~0.90.65~0.750.8~0.90.980.96~0.980.8~0.950.92~0.960.930.930.920.900.94各种材料的发射率材料温度(℃)发射率(εn)刨过的桦木灯黑(大于0.075毫米后)涂在硬表面上的灯黑树脂钎维板新鲜的绿数叶石墨粉碳墨粉25~3020~40050~100025~300.920.95~0.970.960.79~0.840.950.95~0.980.970.97铝:被氧化严重氧化抛光铝粗糙铝黄铜:磨光呈褐色无光择的氧化黄铜担:未被氧化钨:未被氧化灯丝200~60093~5041001002038400727~29301000~1500538~27600.11~0.190.11~0.190.100.100.400.220.600.14~0.300.15~0.280.11~0.35各种材料的发射率材料温度(℃)发射率(εn)铝(氧化的)黄铜(抛光的)黄铜(氧化的)铜(氧化的)铸铁(抛光的)铁、铸铁(氧化的)铁(变形的)钢(氧化的)钢(板材、粗糙)钢(不锈的)铝粉涂料青铜色素光泽涂料毛面漆石棉砖烟黑玻璃金色涂料0.600.500.600.650.250.700.940.750.850.350.400.800.900.950.940.900.950.90各种材料的发射率材料温度(℃)发射率(εn)氧化铀钴未被氧化未被氧化的钢铜:氧化亚铜黑色氧化铜被腐蚀泳铜轧制铜粗糙的熔铜金:金瓷釉铁:被氧化有红锈生锈铁水铸铁:被氧化被氧化未被氧化液体熟铁毛面的毛面的平整的1027500~10008161093382605383838383838538~1221100100500112025251516~1771200600100153525349380.790.13~0.230.190.240.870.830.770.780.100.220.140.740.15~0.130.370.740.840.890.700.600.42~0.450.640.780.210.290.940.940.35各种材料的发射率材料温度(℃)发射率(εn)被抛光的铅:粗糙的被氧化灰色氧化镁氧化镁汞汞钼钼镍:被氧化未被氧化电解的电解的氧化镍铂:铂黑钢:冷扎钢钢片抛光低碳钢平面低碳钢液态低碳钢抛光钢片氧化的钢抛光钨铬钻合金锌:被氧化3838383838~2601027~172725~38100538109338~26010005381093538~109353838~109393938~110024241600~1800260~5382520260~5380.280.430.430.280.07~0.130.16~0.200.100.120.110.180.31~0.460.190.100.16058~0.860.100.93~0.970.75~0.850.55~0.610.100.120.280.10~0.140.800.180.11各种材料的发射率材料温度(℃)发射率(εn)全度锌铬镍合金不锈钢泥砖石棉板水泥红水泥白水泥棉布纸石板沥青土壤表面黑壤耕地乙炔樟脑蜡烛煤砌石水硅酸刚水玻璃沥青纸玄武石耐火黏土砖轻浅黄色砖石灰黏土砖耐火砖红色粗糙砖菱苦土耐火砖3852~10342420380~200137113719338~371203838202024241212038382020201371538137110002110000.280.16~0.200.340.930.960.960.670.650.900.930.970.930.380.660.380.970.940.950.93~0.970.75~0.850.55~0.610.100.120.280.10~0.140.800.180.11