网页2022/08/12 · pp septa closure for screw vials USA-Aijiren HPLC Vials. Vials and caps - Separations REFCap description Septum description Hardness Thickness Pack of. 702067N 8 PP screw cap, black, center hole Red Rubber / FEP colorless 45° shore A 1.3 mm 100 / PE bag. 702068as above, but with closed top. 70245N 8 PP screw cap, black, center