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  • Cork Rings, Suberite

    For supporting round-bottom flasks, dishes, etc. All rings are 30 mm high with inside edge beveled

  • Buna N Synthetic Rubber O-Rings

    With uniform, circular cross section, for use as sealing gaskets, retaining bands, etc. Butadiene-acrylonitrile copolymer withstands temperatures up to 100°C Superior to natural rubber and Neoprene in resistance to hydrocarbons, mineral oils, gasolines and water. Resistant to dilute…

  • Cork Lab Rings

    GSC International, Inc.

    Used to protect your expensive laboratory glass from breakage. Available in the following sizes: 30mm x 80mm, Fits flask size 10-10ml 60mm x 110mm: Fits flask size 200-500ml 90mm x 140mm: Fits flask size 1000-3000ml 120mm x 170mm: Fits flask size 5000ml 150mm x 210mm: Fits…

  • Support Rings


    Wire Models and Extension Rings Wire Models Formed, bright basic wire circle is welded to shank (except 2" size). Aluminum muff. Attaches to support rods up to 3/4" (19mm) in diameter. Extension Rings Shank of Extension Ring clamps to support rods with clamp holder.…

  • Raschig rings borosilicate glass, L × O.D. × thickness 6 mm × 6 mm × 1 mm


    Material: borosilicate glass Description: Quantity: ~590/lb. L × O.D. × thickness: 6 mm × 6 mm × 1 mm



  • Embedding Ring


    Made of high impact polystyrene Embedding rings are suitable for holding and identifying tissue sample blocks and fit well in microtome chuck adapters. The etched writing surface on the ring is marked with an identification number and placed on top of the sample block. Additional paraffin is…

  • Viton O-Rings


    Replacement part for the QC8000, QC8500 and QC8500 Series 2.

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