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
Stopper, Blue ASTM, neoprene with 1 hole (5 mm dia) ASTM, Bottom 62mm, Top 75mm, Length 35mm, are made from long lasting neoprene rubber, and are oil resistant, Can be used up to temperatures of 250 deg F / 120 deg C, Size: No 13.5, pack of 10
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: 38 mm, Top Diameter: 35 mm, Bottom Diameter: 27mm, Stopper No.: no16
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
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
Stopper, solid bottom, Size of 5, Colour: Blue, ASTM std, from long lasting neoprene rubber, use with petroleum products, minerals, oils, inorganic acids and bases, oil resistance, suitable for temp up to 250 deg F/120 deg C, Size: 23mm, Top 27mm, Length 25mm