Cork Stopper, function as a closure for bottles, vials, laboratory vessels and other openings, They are effective for both liquid and solid mediums and offer light weight, Length: 22 mm, Top Diameter: 17 mm, Bottom Diameter: 12mm, Stopper No.: no.5
Stopper, with 1 hole, 5 mm dia, Size of 5, solid bottom, Colour: Blue, recommended by ASTM std, neoprene rubber, use petroleum products, inorganic acids, oil resistance, suitable for temp up to 250 deg F/120 deg C, Size: 23mm, Top 27mm, Length 25mm
Rubber Stopper, with 1 Hole, color: black, made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions, Low sulfur content, Withstands temperatures from -25 to 70 deg C, Size: 1