| 1. | Elastomeric seals - material requirements for pipe joint seals used in water and drainage applications - cast polyurethane sealing elements 弹性密封件.输水和排水设施用管联接密封件的材料要求.聚氨酯铸造密封元件 |
| 2. | Elastomeric seals - material requirements for pipe joint seals in water and drainage applications - part 4 : cast polyurethane sealing elements 合成橡胶密封件.排水设备用管接头密封件用材料的要求.第4部分:浇铸式聚氨基甲酸乙酯密封元件 |
| 3. | Elastomeric seals - materials requirements for pipe joint seals used in water and drainage applications - part 4 : cast polyurethane sealing elements 合成橡胶密封件.排水设备用管接头密封件用材料的要求.第4部分:浇铸式聚氨基甲酸乙酯密封元件 |
| 4. | Elastomeric seals - materials requirements for pipe joint seals used in water and drainage applications - part 4 : cast polyurethane sealing elements ; german version en 681 - 4 : 2000 a1 : 2002 弹性体密封件.给排水用管道连接密封件的材料要求.第4 |
| 5. | The development of a two - component elastic polyurethane sealing material for the anti - seepage of channel is described herein , and then the performed polymer structure , the molar ratio of iaocyanate to hydroxide radical and the effects from the components of the compounded curing agent on the performance of the material are discussed as well 摘要介绍了一种用于管道防渗止水的双组分聚氨酯弹性密封材料的开发,并讨论了基剂预聚体聚合物结构、异氰酸酯和羟基的摩尔比以及复合固化剂组分对材料性能的影响。 |