低游离聚氨酯预聚体具有优异的综合性能。它硬度范围宽、力学性能好、耐磨性更优（耐磨是钢铁的10倍），且生热小、反应平缓；低温性能更佳，环保无气味。特别适合用于胶辊、胶轮、油封、轴套等动态的耐磨件。
公司现以PTMG+TDI低游离聚氨酯预聚体为主，游离值小于0.1%。
| NCO(%)：6.1 | 后硫化（h/℃）:24/110 |
| 预聚体份数：100 | 冲击弹性（%）：/ |
| 扩链剂系数：0.95 | 硬度（邵A）：96 |
| 混合温度（℃）：80/120 | 扯断伸长率（%）：360 |
| 凝胶时间（min）：11 | 拉伸强度（MPa）：50 |
| 混合时间（min）：1 | 扯断变形（%）：4 |
| 硫化时间（min/110℃）：30 | 撕裂强度（KN/m）：130 |
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主要用于动态、高温、湿热、以磨损为主要破损坏形式的胶辊、胶轮、密封体、阀片等制品。
Zibo Zhengda Polyurethane Co., Ltd.Is located in Zibo City, South of intersection between Baoshan and Heji Road , Bonded Logistics Park in High-tech Zone, Zibo City, Shandong Province , is a science and technology type enterprise, mainly engaged in amine terminated polyether, polyurethane material combinations, low free polyurethane pre poly body and other environmental chemicals R & D, production and sales.
In view of China's booming market opportunities, the company focused on the development and production of related products. At present, the annual production capacity of amino polyether has reached 30000 tons. The production line of the integration of domestic and foreign advanced production technology, product quality and stability to achieve the level of similar foreign products. This will be the domestic high-speed rail construction, wind power and offshore platform protection in 12th Five-Year during the key development of the industry to provide quality raw materials.
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