These syringes comes with the three types of seals.

• Front fitting: ¹/₄"-28 UNF
• Glass barrel: Borosilicate 3.3
• Stroke: 60 mm

PTFE-seal: Chemically resistant; heavy duty syringes.

PTFE-seal with silicone: Specially designed for handling of strong buffers and other aqueous solutions. The modified PTFE-seals guaranteed, extended lifetime under heavy duty conditions.

HDPE-seal: Specially designed for handling of strong buffers and other aqueous solutions. The special PE-seals run smoother than conventional seals. Good resistance to buffers and aqueous solutions, long lifetime.