SureSTART 20 mm Crimp Caps with Blue Silicone/Clear PTFE Septa, 100-Pack

These premium SureSTART 20 mm crimp caps deliver reliable, leak-free sealing for headspace vials and other chromatography applications. Featuring a durable red aluminum construction with magnetic tinplate, these caps are compatible with automated sampling systems equipped with magnetic cap detection. The pre-assembled blue silicone/clear PTFE septa provides excellent chemical resistance and low extractables, making them ideal for GC headspace analysis, volatile organic compound testing, and pharmaceutical quality control applications.

• Cap Construction: Red aluminum with magnetic tinplate for autosampler compatibility
• Septa Material: Blue silicone/clear PTFE composite for superior chemical inertness
• Septa Hardness: Soft durometer with 3 mm thickness for optimal needle penetration and resealing
• Cap Size: 20 mm diameter for standard headspace vials
• Applications: Headspace GC analysis, volatile compound testing, pharmaceutical QC, and environmental analysis
• Package Quantity: 100 caps per pack (SKU: 6PBCC20-ST3)