Extrusion roller, drive roller, guide rollers are wrapped by high grade seamless steel pipe and wear-resistant rubber (NBR).
挤压辊、传动辊、导辊为优质无缝钢管外包优质耐磨橡胶(丁晴胶)。
2
The positron annihilation lifetime spectrum(PALS) method was employed to study the effect of proton radiation on microstructure of the space grade KH-L-Y polysilicone rubber.
用正电子淹没寿命谱方法（PAL S）研究了质子辐照对空间级硅橡胶KH- L - Y微观结构的影响。
3
To introduce the pressure grade of rubber hose. Steel wires are usually used as reinforcement material in high, even high and super-high pressure hose.