A .40
B .64
C .95
D .105
[单选题]SBR-1778优级品生胶门尼粘度指标是()。A .30~50B .40~65C .44~54D .50~68
[单选题]SBR-1500优级品混炼胶门尼粘度指标是≤()。A .65B .85C .95D .105
[单选题]SBR-1712优级品混炼胶门尼粘度指标是≤()。A .50B .70C .95D .105
[单选题]SBR-1502优级品混炼胶门尼粘度指标是≤()。A .65B .90C .95D .105
[单选题]SBR-1778优级品有机酸指标是()。A .3.90%~5.70%B .5.00%~6.25%C .5.00%~7.25%D .6.00%~8.25%
[单选题]SBR-1778优级品挥发份指标是≤()。A .0.75%B .0.80%C .0.90%D .1.00%
[单选题]SBR-1778优级品结合苯乙烯指标是()。A .23.5%~26.5%B .22.5%~24.5%C .20.5%~24.5%D .18.5%~21.5%
[单选题]SBR-1778优级品25′300%定伸强度指标是()。A .4.1~8.6MPaB .7.4~11.5MPaC .8.1~13.6MPaD .9.1~13.6MPa
[单选题]SBR-1500优级品生胶门尼粘度指标是()。A .50~68B .46~58C .40~65D .40~58
[单选题]SBR-1502优级品生胶门尼粘度指标是()。A .40~58B .40~65C .45~55D .50~68