Fluoropolymer 4 mm | NMR Tube Caps - 50 Pack SKU TC-4-PTFE-50PK $257.63 (0)No Reviews yet Available to Order Quantity -+ Add to Cart Details Redesigned Fluoropolymer NMR Tube Caps 4mm50 PackBlueRedesigned tapered fluoropolymer closure system that works together with our fire-polished tube e... Details Back DetailsRedesigned Fluoropolymer NMR Tube Caps4mm50 PackBlueRedesigned tapered fluoropolymer closure system that works together with our fire-polished tube ends, offering superior sealing and sample integrity, preventing sample loss even during temperature gradients. Ratings & ReviewsNo reviews availableBe the first to Write a Review