Its middle usually has a nylon supporting ring, to meet the lips requirement of bearing pressure, which is usually made of HNBR. We offer the NBR and HNBR material products, customers can choose according to actual demand freedom.
a. It has the characteristics of the engine oil resistance and low friction during operation
b. The design of back-up ring can increase the pressure tolerance and prevent the lip from overturning
Contact: Allen Liu
Phone: +86-152 2983 3229
Add: NO32.Liyuan Road，Lianhu district,Xi'an city,Shaan'xi province,China.710016
NO32.Liyuan Road，Lianhu district,Xi'an city,Shaan'xi province,China.710016
+86-152 2983 3229