Thank you for repling. Unfortunately it has to be NBR. The compound has difficult reguirements. Wich ACN can be be the optimum to get urea solution resistance and hold ASTM3 too. I tried first NBR with 32ACN (changed +13Sha) content than with 28 (changeed +10 ShA)but I still has the results two...
Hi I should prepare aN NBR compound that has good resistance in Adblue. Unfortunateely my first steps gave me very bad results. I do not know how to continue. Can somebody help?