耐火和隔热材料的热导率

1、耐火和隔热材料的热导率作者:日期:现将从样本、合同附件以及书中收集到的热导率数据拟合成回归式列举于下，供计算时参照使用，总计共311项来自陶瓷纤维耐火材料的施工，苏启昕译，146页附图，小计共33项日本的隔热耐火材料和高铝醇，(kcal/mhC)名称重烧收缩率62%的温度体积密度热导率复相关系数A1900c.3<500kg/m=0.0001t+0.0740R2=1.0A21000<500kg/m3=3*10-9t2+0.0001t+0.0864R2=1.0A31100c<500kg/m3=-6*10-9t2+0.0001t+0.0892R2=0.9999A41200c<

2、550kg/m3=1*109t2+0.0001t+0.1041r2=0.9999A51300C<600kg/m3=1*10-9t2+0.0001t+0.1041r2=0.9999A61400C3<700kg/m=2*10-8t2+0.0003t+0.1013R2=1.0A71500c<750kg/m3=-1*10-8t2+00O01t+R2=1.00.1168B1900c<700kg/m3=0.0182t2+0.5566t+0.0327R2=0.9998B21000c3<700kg/m=-2*108t2+0.0002t+0.1156R2=1.0B31100c<

3、;750kg/m3=-1*10-8t2+0.0002t+0.1192R2=1.0B41200<800kg/m3=6*10-9t+0.0002t+0.1440R2=1.0B51300C<800kg/m3=-1*10-9t2+0.0003t+0.1313R2=1.0B61400C<900kg/m3=2*10-9t2+0.0003t+0.1447R2=1.0B71500c<900kg/m3=5*10-9t2+0.0003t+0.1973R2=1.0Cl1300c<110kg/m3=2*10-10t2+0.0003t+0.1728R2=1.0C21400C<120k

4、g/m3=6*109t2+0.0003t+0.2695R2=1.0C31500c<125kg/m3=1*10-8t2+0.0003t+0.3008r2=0.9999高铝砖60%AI2O32.25-2.40t3/m=3*10-7t2-0.0004t+1.4259R2=0.9687高铝砖，0%Al203|二1*10，t2-0.0022t+3.0530R2=1日本的硅酸钙高温绝热板名称重烧收缩率?%的温度体积密度热导率化子族勿1号F1000C;2.0%<280kg/m3=0.0001t+0.051kcal/mhC1号2号2号硅酸钙板1000C;650C;650C;650C;1.5%2.0

5、%2.0%2.0%<200kg/m3<220kg/m3<200kg/m3<180kg/m3=0.0001t+0.051kcal/mhC=0.0001t+0.046kcal/mhC=0.00009t+0.040kcal/mhC=0.00009t+0.040kca号硬硅钙石系列号雪硅钙石系列硅酸钙板850C;1.0%<130kg/m3l/mhC=0.00011t+0./mhC033kca16Ca5CaO.6Si硅酸钙板硅酸钙板10001000;1.5%;1.5%<300kg/m3.3<400kg/m=0.00009t+0./mhC=0.00009t+005

6、0kcal056kcalp.6OO吗蝌o/mhC日本的硅酸铝纤维毯分级温度体积密度热导率复相关系数1260c96kg/m385-115=4*10-T-3*10-5t+0.065W/mR2=i.0K128kg/m3115-=4*10-t2-6*104t+0.069W/mKR2=1.01503192kg/m=4*10-t2-9*105t+0.073W/R2=1.0150-195mK96kg/m85-115=3*10-7t2-1*10-4t+0.054kcaR2=1.01/mhC128kg/m311515=3*10-t2-6*10-4t+0.。62R2=1.00kca1/mh192kg/m150=3

7、*107t2-7*10-5t+0.061r2=1.0195kcal/mhC来自大连派立固公司的耐火材料样本，小计共87项名称使用温度主要成分体积密度热导率高强度浇注料SuperHTMOR18001800C92%A12O33.15-3.20t/m3=1.50+0.00040tkcal/mhC=1.745+0.000465tW/MkSuperHTMOR17001700c82%A12O32.90-2.95t/m3=1.30+0.00040tkcal/mhC=1.512+0.000465tW/mKPCPC#401800c1750c95%Al2O394%Al2O32.7-2.8t/m32.8-2.95t

8、/m3=0.87+0.00042tkca#38l/mhC=1.012+0.000488tKV/mPCChr0me1500C44%c72OT-2.8-2.95t/m3=0.610+0.00034tkcmhC=0.7094+0.000395tmKal/W/PCPC#36#4881700C120070%Al2O371%A12_O3_2.35-2.5t/m32.4-2.553t/m=0.48+0.00032tkcal/mhC=0.5582+0.0003722t/mKWPCKLPC#34PC#33PC#31PC#31wlTuffMPCMixPCTuFPC#0MixTr0ixADFMix7021650c1

9、650c1580C1540C1540C1420C1400C1320C1650c56%Al2O351%Al2O357%Al2O348%Al2O341%Al2O345%Al2O336%Al2O340%Al2O347%Al2O32.15-2.252. 05-2.152.1- 2.2t/m31.92.03t/m1.8-1.95t/3/m1.95-2.1t/m31 .9-2.053t/m1.95-32.1t/m2.1 1_2.25t/_m3_=0.46+0.00026t1/mh=0.535+0.0003024t/mKkcaWSup er HT MOR1 6 5 01650 c62%A 1 2O3 - -

10、 2. 6 0 - 2. 70 t/m3=1. 10+ 0 .00 0 30t kc a l/ mh C= 1.2 7 9 +0 . 000 3 4 9t W/mKSu p er H TMOR 160 01550 c48% AI2O32. 45-2.50t/ m3= 0.95+0 . 00 0 30t kca 1/mh C= 1.1 05+0.00 0 3 4 9 t W/mKS up e r HTMO R 1 5 001 450 C4 0 %Al 2O32.30-2.35t/m3= 0.8 0 + 0 .0004 0 t kc al/mh C=0.931+0. 0 00 4 6 5t W/m

11、KPLCAST#07321700c74%A12O311%SiO22.65-2.8t/m3=0.89+0.0003tkcal/mhC=1.035+0.000349tW/mKPLCAST#07591700c74%A12O321%SiO22.6-2.75t/m3=0.87+0.0004tkcal/mhC=1.012+0.000465tW/mKPLCAST#07021650c47%A12O347%SiO22.1-2.25t/3m=0.46+0.0003tkcal/mhC=0.535+0.000349tW/mKPLCAST#07391550c37%A12O353%SiO22.02.15t/m3=0.46

12、+0.0003tkcal/mhC=0.535+0.000349tW/mKPLCAST#07191700C74%Al2O320%SiO21.4-1.55t/m3=0.45+0.0001tkcal/mhC=0.523+0.000116tW/mKPLCAST#08521600C47%Al2O345%SiO231.37t/m=0.42+0.00008tkcal/mhC=0.488+0.0000931tW/mKP C #271 3 70 c40%Al2O31.95 2. 1 t= 0.4 3+0.000 2 6 t kcal /m3m h CPCH ydro13 7 0 c37%A 1 2O2. 0Mi

13、x3-2.15t/ m3PC T r o wl M1350 c34%Al 2031.75- 1.=0. 5001+ 0. 0003024t W/i x8 5MkPC P e t ro137 0 C34%A 11.9-2. 05t/Mix2O3m3PC #6521 0 00 c2.0-2 .15t/ m3名称使用温度主要成分体积密度热导率隔热浇注料PCLWI-6061700C95%Al2O31.6 -1.7 t/m3=0.81+0.00O24tkca1/mhC=0.9420+0.0002791tW/mKPCLWI3241350c91%Al2O31.551.7t/m3=0.80+0.00020tk

14、cal/mhC=0.9304+0.0002326tW/mKPCLWI-26PCLWI24APCTuffLite1400C1350c1320c43%Al2O342%Al2O330%Al2O31.35-1.451 .3-1.4t/m31.4- 1.55t/m3=0.28+0.00010tkcal/mhC=0.3256+0.0001163tW/mKPCLWI-24PCLWI-24Trowl1350C1350c32%Al2O330%Al2O31.31.45t/m31.3-1.4t/m3=0.26+0.00010tkcal/mhC=0.3024+0.0001163tW/mKPCLWI-22PCLWI22

15、Trowl1200c1200c26%Al2O326%Al2O31.15-1.251.0-1.25t/3/m=0.18+0.00010tkcal/mhC=0.2093+0.0001163tW/mKPCLWI-20S1100c24%Al2O31.15-1.25=0.177+0.000066tkcal/mhC=0.2059+0.0000768tW/MkPCLWI-201100c29%Al2030.9-1.053t/m=0.167+0.000066tkcal/mhC=0.1942+0.0000768tW/mKPCLWI-20A1100c50%Al2O30.9-1.00t/m3=0.157+0.0000

16、66tkca1/mhC=0.1826+0.0000768tW/mKPCVerilitePCVeri1iteS820-980C1000c0.75-.85t/m30.75-.85t/m3=0.137+0.000066tkcal/mhC=0.1593+0.0000768tW/mKPCAirliteTrowl820-980C0.45-.55t/m3=0.097+0.000066tkcal/mhC=0.1128+0.0000768tW/mKPCAstrolite800C0.29-.33t/m3=0.07+0.00007tkcal/mhC=0.0814+0.0000814tWLjh.KPG#95S1920

17、c94%A12。2.95-3.05=1.15+0.00030tkcaI/m3hCPG#90S1870C90%Al2O32.95-3.0=1.3375+0.0003489t5W/mKPG#801600C78%Al2O32.40-2.6t=0.68+0.00034tkc/m3aI/mhC=0.7908+0.0003954tW/mKPG#481700c46%AI2O31.9=0.60+0.00020tkcaI/35-2.1t/mmhPGKLMix1600C52%A12.152.6=0.6978+0.0002326tW2O3t/m3/mKPG#6111500c51%AI2O31.9=0.50+0.00

18、028tkca1/5-2.2t/m3mhPG#6131400c53%AI2O31.952.05PGBFMix1300c36%AI2O31.95=0.5815+0.0003256t2.2t/m3W/mKPCTuffMix1400c36%A121.95-2.2tDO3/3/mPCTuffMix1320c40%AI21.95O33-2.2t/mPG#6121300c38%AI2031.95-2.15=0.46+0.00026tkcaI/mhCMix#6171350c40%AI2O31.95-2.25PG#6521000C2.0-2.2t=0.5350+0.0003024t/3/mW/mKPCPetr

19、oMi1370c34%A121.95-2.25XO3喷涂隔热浇注料PCLWI-261400c43%AI21.42-1.57=0.35+0.00010tkcaO3I/mhCPCLWI241350c42%AI2O31.35-1.55=0.4071+0.0001163tAW/mKPCLWI-241350C32%AI2O31.37-1.53=0.30+0.00010tkcaI/mhCPCTuffLite1320C30%AI21.42-1.58O3Mix#6771400c43%AI21.42-1.55=0.3489+0.0001163tW/O3mK名称使用温度主要成分体积密度热导率PCLWI-22120

20、26%AI2。31.22-1.37=0.25+0.00010tkcal0C/mhC.=0.2908+0.0001163tW/mKPCLWI-20SKB1100c24%Al2O31.21.35t/m31.15-1.30=0.20+0.00010tkal/mhC=0.2326+0.0001163tW/mKPCLWI-201100c29%Al2O31.05-1.2t/m3=0.197+0.000066tkcal/mhCPCLWI-20A1100c30%1.051.1=0.2291+0.0000768tAl2O38W/mKPCVerilite1000c1.0-1.15t/m3=0.177+0.0000

21、66tkcal/mhCPCVeriliteS821.01.1=0.2059+0.0000768tW0-980C5t/m3/mKPCAstrolite800C0.42-0.46=0.125+0.00006tkca1/mhC=0.1454+0.0000698tW/mK引塑料PCRSuperA1600C28%CnO2.8-2.95=1.22+0.00020tkcaB3t/m3l/mhCMix#6801400C25%Cr2O33.0-3.1=1.4189+0.0002326t5t/m3W/mKPTBRamMix1920c92%Al2O32.85-2.95=1.15+0.00030tkcal/mhCPL

22、IRAM#95S1920C94%Al2O32.9-3.05t/3mPLIRAM#90S1870C90%Al2O32.9-3.05t/m3=1.3375+0.0003489tW/mKPTBSRMix1900C90%Al2O32.82.90t/m3=0.98+0.00024tkcal/mhCPR#85AB1850c80%Al2O32.75-=1.1397+0.0002791t2.85W/mKPR#5151700c80%Al2O32.55-2.7t/m3=0.89+0.00028kcal/mhCPR#3021700c80%2.7-2.8t=1.0351+0.0003256tW/Al2O3/3/mmK

23、PR#80AB1800C75%Al2O32.55-2.7t/m3=0.77+0.00022tkcal/mhCPBSuperAL1780c75%A122.5-2.65=0.8955+0.0002559tXABO3t/m3W/mKcPBSuperALAB1760c60%Al2。32.4-2.5t/3/m=0.508+0.00034tkca1/mhC=0.5908+0.0003954tW/mKPBSuperABPBSTRam1680C1600C38%A|2。330%Al2031.95-2.051.9-2.0=0.48+0.00032tkcal/mhC=0.558+0.000372tW/mKPBSup

24、erFAB1760c42%AI2O32.1-2.25=0.49+0.0003tkca1/mhC=0.57+0.000349tW/mK来自德国高斯勒热陶瓷有限公司上海办事处的样本（小计共68项）:致密浇注料：11项名称使用温度干燥后密度主要成分热导率W/mK复相关系数97>1800C.32850kg/m96.7%A|2。=2*104t+1.71R2=1.00095>1800C262094.1%A|2。3=4*10-7t2+4*104t+1.350R2=1.oo04X1650c221060.0%Al2O3=1*10-6t21*10-3t+1.256R2=0.99023X1650C219

25、053.4%A12。3=9*10-7t2-9*10-4t+1.176R2=0.99043X-G1650c215053.4%Al2O3=9*107t2-9*104t+1.176R2=0.99043X-V1650C230050.1%A12。3=-3*107t2+9*10-4t+0.643R2=0.9996STANDARD1400c209041.6%Al2。3一.一一7。一二，=3*10t2-6*10-5t+0.566R2=0.9999C21260c200041.7%A12。3=9*10-7t2-9*10-4t+0.676r2=0.9902HT1540c198047.1%Al2。3=5*10at2+

26、4*10-4t+0.480r2=0.9985HT-G1540C200047.0%Al2。3=7*10-8t2+4*10,+0498r2=0.999524001315C185031.9%A12。3=4*107t2+2*10-4t+0.5805R2=0.9998HT,HT-G,2400不属于高强度致密浇注料；其他都属于高强度致密浇注料。JM型耐火隔热砖；14项名称分级温度体积密度主要成分热导率W/mK复相关系数JM201100c450kg/m335.8%Al203=1*104t+0.09R2=1.000B20c1100c54038.7%Al2O3=1*10-4t+0.1183R2=0.9868JM

27、231260C48037.0%Al2O3=1*10-4t+0.10R2=1.000B23C1260C56038.7%A闵3=1*10-4t+0.0933R2=0.9868JM261430C78058.0%Al2O=1*104t+0.23r2=1.000B261430c770343.3%Al2O3=2*10-4t+0.24R2=l.000B26E1430c82055.0%Al2O3=3*107t2-3*10-4t+0.410R2=1.000B26C1430C80060.0%Al2O3=1*107t2-1*10-4t+0.380R2=1.000JM281540C88067.1%A12O3=4*10

28、-8t2+5*10-5t+0.294R2=0.9977B281540C86063.8%Al2O3=1*10-7t2-2*10-4t+0.430R2=1.000B28C1540C86067.0%Al2O3=1*10-4t+0.3R2=1.000JM301650C102073.4%Al2O3=1*107t2+2*104t+0.500R2=1,000B301650C104069.9%Al2O3=1*1020t2+i*i0一4t+0.370R2=1.000JM321760C125077.0%Al2O3=1*10-t2-8*10-5t+0.5064R2=0.9979Firelite型轻质隔热；9项名称使

29、用温度干燥后体积密度主要成分热导率W/mK复相关系数LOD1320c一,3860kg/m37.4%Al20=6*10-8t2+8*105t+0.1R2=0.9893025520X1230c88037.0%A1=1*10-7t2+2*105t+0.1r2=1,0002。340201230C85037.1%Al2=-3*1021t2+1*Io-"R2=0.9931XLO35t+0.125201230C104037.8%=1*10-71t2+3*10-5R2=1.000Al2O3t+0.2001241100C102032.0%A12=-1*10-7t之？*10-4t+R2=1.000O30

30、.13171000C99031.8%Al2=1*10-4t+0.10"=1.0000O301051100c72035.0%A1=1*10-4t+0.11R2=1.00011100c6602。333.7%Al=1*10。+0.11R2=1.00005LBM870C102020324.7%Al2O3一4=2*10t+0.06R2=1.0O0纤维毯；16项名称分级温度体积密度主要成分热导率W/mK复相关系数Superwo1050C64k碱土金属硅=1*10&t2-5*104t+R'=1.000olBlankeg/m3酸盐纤维0.160t96kg=7*10-t240-4t+R

31、2=1.0003/m0.170128=6*107t2-3*10-4t+r2=1.000kg/m30.130160kg=4*10-t2-8*10R2=1.000/m35t+0.060Cerablank1260C_364kg/m34=4*10-7t2-2*10-5t+0.0R2=1.000et6.5%Al2O38096kg/=3*10-7t2-6*1018t+r2=1.0003m0.070128kg=3*10-2-1*10，t+0.R2=1.00/m31200160k=3*107t2i*10-4t+R2=1.000g/m30.100192kg/=1*107t2+2*10R2=1.000m35t+0

32、.070Cerache1425C64kg/35.1%Al2=6*10-7t2-4*10-4tR2=0.999mm3O3+0.2262Blanket96kg=4*10t2+R2=0.9996/m32*10-4t+0.143128=2*10-7t2-1*10-4t+R2=1.000kg/m30.120160kg=3*107t2-2*10-4tR2=0.9998/m3+0.1365192=2*10-7t27*10R2=0.99kg/m35t+0.106596Maftec1600C9672.0%Al2O3=7*10-7t2-9*10jt+R2=0.9995Blanketkg/m30.4455128kg

33、/=5*10-t2£*10-4tR2=0.9983m+0.3245纤维板Ceraboard;3项名称分级温度体积密度主要成分热导率W/mK复相关系数75900c300k2=2*10T-2*105t+R2=1.0003g/m3.0%Al2O30.070851000C300k23.0%A=1*10-7t2-1*10-5t+0.0R2=0.9993g/ml2O354591001260c300kg/44.0%A1=1*10-7t2-ir2=0.993m203*10-5t+0.054599纤维真空板材Ceraform;6项名称分级温度体积密度主要成分热导率W/mK复相关系数1001260C25

34、0kg45.4%A12=1*10-7t2+2R2=0.9985/m3O3*10-5t+0.0402001260C280kg/50.5%Al2=1*10-7t2+2*10-tR2=0.99m3O3+0.040852501260C400k50.0%Al2O3=2*10-7t2-1*104t+0.R2=3g/m10200.99904001260C3380kg/m337.0%=2*10-7t2-1*10-4R2=0.9990Al2O3t+0.102014001400C280k48.3%A12=1*107t2+6*10-5t+R2=0.9973g/m3O30.03110001425C240kg5=1*1

35、0-7t2+6*105t+0.0R2=0.993/m2.9%Al2O33173纤维毡；4项名称分级温度体积密度主要成分热导率W/mK复相关系数Cerafelt1425C96k35.1%Al2=5*10-7t23*104t+R2=0.99753g/mO30.179128kg=4*107122*1O-4t+0.R2=0.9995/m3163192=2*10t27*10-5tr2=0.9kg/m3+0.1065996CerapakWetfel1262444.0%=1*10-7t2-7*10r2=1.000t0C0-390Al2O3t+0.020纤维纸Cerapapier;5项名称分级温度体积密度主要

36、成分热导率W/mK复相关系数12601260c210k46.0%Al2=2*10-7t2-3*10-5t+0.0R2=0.9996g/m3O37051260L1260c96-1447.0%Al2。3=2*10t2-1*10-4t+0.0R2=0.999148951400A1400C240kg/5=2*10-7t2-l*10-4t+0.R2=0.9991m37.0%Al2O30631430F1430C21032.0%A12=2*107t2-1*10-4t+r2=0.93kg/m030.10399116001600C200kg/m392.0%Al203=2*10-7t2-8*10-5t+0.151

37、5R2=0.9998据武钢四号炉合同附件2.5.13:耐火材料性能，拟合成如下计算式，小计共38项。名称使用温度主要成分体积密度热导率kcal/mhC复相关系数耐火可塑料RAM25A1500c75%Ai_2O-"2.40=-6*10-8x2+。.。靖0厂度R=0.99B33t/m3x+0.553894RAM601600C54%A132.40t/m=-6*10-8x2+0.0003x+R2=0.9AB2O30.6285991RAM1700C85%2.85t/=2*10-7x20.0008x+R2=1.0085HSAl2O3m32.06BLURAMH1700C71%Al22.6=2*10

38、-7x2-0.0008x+1.9R2=S_O3_5t/m3270.9987隔热浇注料LW221000c26%A0.58t/m3=-1*10-7x20.0003x+12。30.01LW451200C31%A0.85t/=-3*10-21X2-0.0001xR2=0.9I2O3m3+0.079941ISO121250c38%A11.30=6*10-8x2-0.0000R2=0.9952O3t/m33x+0.289581KERLITE131300C37%A11.4500c平均值=0.36W/M_0_2O3一3_0t/m3_k重质浇注料ZC130C28CPROMOCAST42CCAST52C1350C

39、1450c1420C1520C37.5Al2O348%A12O343%A12O346%A1203_32.10t/m32.10t3/m2.17t/m332.2t/m500c平均值K500C平均值=0.85W/m0.85W/mK=0.0001X=0.0002x十十0.870.87R2=1.00R2=1.00名称使用温度主要成分体积密度执八、导率kca1/mhC复相关系数CAST58C1580c61.3A12。332.5t/m=0.0002x+1.03R2=1.00CAST62C1600c79.6A12O3一32.7t/m3=0.0002x+1.235R=1.00MX614C1600C74%Al2。

40、33.1t/m31000c平均值/mK=3.0W镁铭浇注料1700C19Cr2O3一一33.2t/m31000c平均值=/mK=2.5WGIBRAM160084.5A_l2O3_32.95t/m3500c平均值=1.mK85W/隔热耐火科ISOPERL900c42%Si0.60t/m3二丁。二二二=-1*10x2-0.0003x+R2=1.00ORO20.01PS61050C10%Al20.62t/=7*10-21x2+0.0001x+R2=1.0O3m30.110RL11-91150C21%Al2O0.90t/=2*108x2+6*105x+0.1R=0.993m39822RL13-9135

41、0C32%A0.90t/m3=4*10-8x2+1*10-4x+他9l2O30.178985CALOR1300C33%Al2O0.82t/=3*10-7x2+1*l0-4x+W/mKA33m0.2738RI2640%A1一一30.85t/m3=9*10-8x2+7*105xW/mK2O3_+0j2412镁铭穆ANKROM58%MgO20%Cr2O33.137t/m=-5*10-8x2-0.0001x+1.9269W/mKCORHART56%MgO20.3C2。33.153t/m=-9*10-7x2-0.0026x+2.7R2=1.00ELECTR_F52_56%_MgO_20.3Cr2O33.

42、30t/m3=2*10-6x2-0.0034x+5.9R2=1.00纤维板FPI70700c0.12t=3*107x2-1*10-5x+0.0R2=1.00/m340FPI800c0.18t=2*10x21*10-5x+R2=1.00800/m30.039Calsil硅钙板1000C0.24t=0.0001x+0.0449c2R=/m30.9918FIBASIL1000C80%S0.45t=1*10-7x2-3*10-5x+0.08W/mK45iO2/m3陶瓷纤维板Cer1260C0.26t/=1*10-x2+2*10?x+W/mKaBOARDm30.04CeraBOA1000.24t/=3*

43、10-7x2-5*10-5x+0.0W/mKRD0cm36CeraB1ank1260C47%A10.06=3*10/*2-5*105x+0.0W/mKet2。34t/m348152.5SiO20.096=2*10x2-1*10-4W/mK3t/mx+0.02590.128t=2*10-7x2+7*10?x+W/mK/3/m0.0457DuraBlank1260c47%A10.064t=-7*10-7x2+0.0016x-W/mKet2O3/m30.535752.8Si0.09=3*10-x6*10-x+W/mKO26t/m30.06310.128t/m=1*10-7x2+0.000W/mK31x+0.0146据机械部工业炉设计手册，第2版，149页,小计共12项。耐火纤维毯或毡的热导率用如下计算式：=exp(A+Bt)W/(mK)又据机械部工业炉设计手册，第2版,130 kg/m 3=0.054+0.2 7 2x1 0 6 t2,W/(m - K)140 kg/=0. 0 48+0.259x 1 0 6t 2 ,3 mW/( m