... is smooth and clean,2.The rough degree of the rubber surface is3.23.The metals an outward appearance noodles defends ... trip to press GB1184 IT14Gread5.The two layer rubbers of G noodles with each other do not glue to connect6.The ... ,CR13709,CFKM,BII610,BA6053,BII510,Silicone, chloronorgutta, CR chloronorgutta aviation rubber,foaming rubber, 08F,TPR, VMQ, NRAA712, H62Y2, PPO,abs,pp etc ...