12.7 mm (1/2") OD Marathon long-life center guide GC septa PK50

Features and benefits:

• Reliabily seals against the carrier gas pressure in the inlet.
• Capable of being pierced and resealing time after time without pieces of the septa being deposited in the GC inlet system.
• Does not contaminate or bleed material into the chromatographic system.
• Long life septa, pre-pierced for minimal coring.
• Typically achieves up to 400 injections without failure.
• Packaged in blister packs (PK24,25) and glass jars (PK50,100) for purity.

Recommended applications:
• Ideal for standard manual injection GC and GC/MS.

Sizes available (mm):
• 5, 9, 11, 11.5, 12.7, 17, and Shimadzu Plug style.

Product specifications
• Material: Silicone
• Durability: Excellent
• Resealing: Excellent
• Solvent resistance: Good
• Tear resistance: Excellent
• Maximum injector temperature: 300°C for 17 mm size; 350°C for all other sizes