18mm Aluminum Cap with Septa
The 18mm Screw Thread Precision Metal Cap produced by Aijiren can be matched with septa of different colors and materials. There are Septa made of PTFE, Silicone and Butyl. The Cap will have an 8mm Center Hole to facilitate sampling with an autosampler. In general, Septa There will be a thickness of about 1.5mm to facilitate sealing.