1楼 fresher
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|  发帖时间 - 2005/8/29 11:21:53
| CHEMICAL COMPOSITION
silicon dioxide（SIO2）20.22%
aluminium oxide (AL2O3)5.57%
ferric oxide(FE2O3) 3.29%
calcium oxide(CAO) 61.58%
magnesium oxide(MGO)2.06% (Not more than 4%)
sulphur trioxide(so3) 2.79%
C3A<3.5%,fineness=2500-3500cm2/g SO3 Not more than 2.5%
C3A≥3.5%,fineness=2500-2750cm2/g SO3 Not more than 3.0%
C3A>3.5%,fineness=2750-3500cm2/g SO3 Not more than 3.5%
loss of ignition(loi) 2.63% Not more than 4%
*域名隐藏* . 0.94% Not more than 1.5%
Na2O 0.46%
K2O 0.23%
Total 99.77
LSF 0.91 0.66-1.02
c3a 9.20%
PHYSICAL AND MECHANICAL PROPERTIES 物理和技术参数
Physical Properties:物理参数
Results F.S Specifications 373/1991
% of Water consistency 28.25
Specific surface area:
(Blain)cm2/gm 3455 Not less than 2500
Soundness
(Le Chatelier) mm 1.10 Not more than 10
Setting time hr. min. hr. min.
*域名隐藏* l: 3 50 Not less than － 45
*域名隐藏* : 4 50 Not more than 10 －
Mechanical Properties:技术参数
Compressive strength of Standard Mortar E.S Specifications 373/1991
At 3days 30.76 N/mm2 Not less than不小于 18.0 N/mm2
At 7days 38.76 N/mm2 Not less than不小于 27.0 N/mm2
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外贸英语 -> 请问这些水泥的化学指标、物理参数和技术参数怎么翻译啊，谁知道这是什么标号的水泥急要
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