Feb 22, 2008 · All LC/GC Vials, Caps, and Kits Septa Material. PTFE/Silicone. AR0-8557-13-B. Crimp. Top Vials. Headspace 23 x 46 mm. 23 x 75 mm. Neck. 11 mm. 11 mm. 11 mm. 20 mm. 20 mm. 20 mm. Headspace Crimp Vials, 20 mm – Restek 21162, Headspace Vial, Clear, 23 x 75 mm, 20 mm Crimp-Top, 20 Aijiren Vials and Sample Containment Solutions Brochure Based on our decades of chromatography experience, crimp-cap