Rubber Stopper Assortment, solid, assorted, one pound, color: black, are made of solid natural rubber that stays pliable over a long period of time, use with non-aggressive or concen solutions, Low sulfur content, temperatures from -25 to 70 deg, size: 1 to 6
Stopper, with 1 hole, 4 mm dia, size of 1, solid bottom, Colour: Blue, recommended by ASTM std, neoprene rubber, use with petroleum products, inorganic acids, oil resistance, suitable for temp up to 250 deg F/120 deg C, Size: 14mm, Top 19mm, Length 25mm
Stopper, with 1 hole, 5 mm dia, Size of 6, 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: 26mm, Top 32mm, Length 25mm
Stopper, with 1 hole, 4 mm dia, solid bottom, Colour: Blue, recommended by ASTM std, neoprene rubber, use with petroleum products, oils, inorganic acids, oil resistance, suitable for temp up to 250 deg F/120 deg C, Size: 13mm, Top 17mm, Length 25mm
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: 20 mm, Top Diameter: 16 mm, Bottom Diameter: 11mm, Stopper No.: no.4
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: 31 mm, Top Diameter: 29 mm, Bottom Diameter: 22mm, Stopper No.: no12