... , FDA , NSF, WRAS, PAHS, etc extrusion Description of high quality rubber extrusion parts: 1. Materials: FLS, also can be NR, HNBR, MVQ ... /A, ECO, CSM, VITON, FKM, FPM extrusion, etc. 2. Characteristics: high and low temperature resistant extrusion, oil resistant, solvent resistant, raw ...