Blue Silicone Stoppers

These silicone stoppers can be used with flasks, test tubes, and more. The silicone material is inert and nonreactive and will not impair the growth of tissue cultures, making it an excellent choice for laboratory work.

  • Silicone
  • Resistant to most chemical acids & solvents
  • Can be steam-sterilized at 15 lbs. pressure
  • Durometer hardness (Shore A): ~50
  • Working temperature range: -62°C to 232°C (-80°F to 450°F)
  • Sold in full packages only
Item # Description Catalog Pg. Price Add to Cart
Size 00 Solid Blue Silicone Stopper - Package of 12
Item 92891
3.76/Pkg. of 12
Save 5% when you buy 16+
Save 10% when you buy 32+
Save 15% when you buy 96+
NEW
3.76/Pkg. of 12
Size 0 Solid Blue Silicone Stopper - Package of 12
Item 92892
5.37/Pkg. of 12
Save 5% when you buy 16+
Save 10% when you buy 32+
Save 15% when you buy 96+
NEW
5.37/Pkg. of 12
Size 1 Solid Blue Silicone Stopper - Package of 12
Item 92893
6.52/Pkg. of 12
Save 5% when you buy 16+
Save 10% when you buy 32+
Save 15% when you buy 96+
NEW
6.52/Pkg. of 12
Size 2 Solid Blue Silicone Stopper - Package of 12
Item 92894
7.76/Pkg. of 12
Save 5% when you buy 16+
Save 10% when you buy 32+
Save 15% when you buy 96+
NEW
7.76/Pkg. of 12
Size 3 Solid Blue Silicone Stopper - Package of 12
Item 92895
10.39/Pkg. of 12
Save 5% when you buy 16+
Save 10% when you buy 32+
Save 15% when you buy 96+
NEW
10.39/Pkg. of 12
Size 4 Solid Blue Silicone Stopper - Package of 12
Item 92896
11.73/Pkg. of 12
Save 5% when you buy 16+
Save 10% when you buy 32+
Save 15% when you buy 96+
NEW
11.73/Pkg. of 12
Size 5 Solid Blue Silicone Stopper - Package of 12
Item 92897
14.17/Pkg. of 12
Save 5% when you buy 16+
Save 10% when you buy 32+
Save 15% when you buy 96+
NEW
14.17/Pkg. of 12
Size 5-1/2 Solid Blue Silicone Stopper - Package of 12
Item 92898
14.99/Pkg. of 12
Save 5% when you buy 16+
Save 10% when you buy 32+
Save 15% when you buy 96+
NEW
14.99/Pkg. of 12
Size 6 Solid Blue Silicone Stopper - Package of 12
Item 92899
18.99/Pkg. of 12
Save 5% when you buy 16+
Save 10% when you buy 32+
Save 15% when you buy 96+
NEW
18.99/Pkg. of 12
Size 6-1/2 Solid Blue Silicone Stopper - Package of 12
Item 92900
21.62/Pkg. of 12
Save 5% when you buy 16+
Save 10% when you buy 32+
Save 15% when you buy 96+
NEW
21.62/Pkg. of 12
Size 7 Solid Blue Silicone Stopper - Package of 12
Item 92901
24.99/Pkg. of 12
Save 5% when you buy 16+
Save 10% when you buy 32+
Save 15% when you buy 96+
NEW
24.99/Pkg. of 12
Size 7-1/2 Solid Blue Silicone Stopper - Package of 12
Item 92902
26.63/Pkg. of 12
Save 5% when you buy 16+
Save 10% when you buy 32+
Save 15% when you buy 96+
NEW
26.63/Pkg. of 12
Size 8 Solid Blue Silicone Stopper - Package of 12
Item 92903
32.08/Pkg. of 12
Save 5% when you buy 16+
Save 10% when you buy 32+
Save 15% when you buy 96+
NEW
32.08/Pkg. of 12