Flat o ring 1.Silicone FKM FPM VITON A VITON B GF GFLT GLT AFLAS HNBR... 2.High ... price performance ratio 3.OEM&ODM: YES Product Description Item nameFlat o ... ring MaterialSilicone,,FKM,FPM,VITON A, VITON B, GF,GFLT,GLT,AFLAS,HNBR... ... to your drawings & samples. Our main products contains O-type Loop, U-type Loop, Y-type Loop, ...