Stopper, solid bottom, Colour: Blue, ASTM standards, 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: 8.2 mm, Top 12.7 mm, Len 25 mm
Stopper, solid bottom, recommended by ASTM std, colour: Blue, from long lasting neoprene rubber, use with petroleum products, minerals, oils, inorganic acids, oil resistance, suitable for temp up to 250 deg F/120 deg C, Size: 8.2 mm, Top 12.7 mm, Len 25 mm
Stopper, solid bottom, Colour: Blue, recommended by 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: 10mm, Top 15 mm, Len 25 mm
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: 13mm, Top Diameter: 6 mm, Bottom Diameter: 4 mm, Stopper No.: no.000
Stopper with 1 hole, 4 mm dia, solid bottom, 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: 10mm, Top 15mm, 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: 13mm, Top Diameter: 8 mm, Bottom Diameter: 5 mm, Stopper No.: no.00
Stopper, solid bottom, Colour: Blue, recommended by 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: 13mm, Top 17mm, Length 25mm
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: 16 mm, Top Diameter: 11 mm, Bottom Diameter: 8 mm, Stopper No.: no.1
Stopper, with 2 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: 13 mm, Top Diameter: 10 mm, Bottom Diameter: 7 mm, Stopper No.: no.0
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, size of 1, solid bottom, Colour: Blue, recommended by ASTM std, from long lasting neoprene rubber, use with petroleum products, minerals, oils, inorganic acids and bases, 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: 17 mm, Top Diameter: 13 mm, Bottom Diameter: 9 mm, Stopper No.: no.2
Stopper, solid bottom, Size of 2, 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: 16mm, Top 20mm, Length 25mm
Stopper, with 1 hole, 5 mm dia, Size of 2, 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: 16mm, Top 20mm, 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: 19 mm, Top Diameter: 14 mm, Bottom Diameter: 10mm, Stopper No.: no.3
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