Corks, Stoppers and Accessories

Cork Stopper - Bark, size no. 2, bottom 9mm, top 13mm, length 17mm, pk of 10 (10 per PK )

These grade XXX tapered cork stoppers are an excellent choice for general laboratory use. They are effective for both liquid and solid mediums, and offer light weight, resilience and compressibility. Chemically inert and moisture resistant. Sold as packs (100 per PK )

Stopper-Polypropylene 14/23, pk of 10 (10 per PK )

Cork Stopper - Bark, size no. 8, bottom 17mm, top 22mm, length 27mm, pk of 10 (10 per PK )

Silicone stoppers are particularly useful due to their inert and nonreactive nature. It will not impair the growth of tissue cultures and resistant to most chemical acids and solvents. (12 per PK )

Silicone stoppers are particularly useful due to their inert and nonreactive nature. It will not impair the growth of tissue cultures and resistant to most chemical acids and solvents. (12 per PK )

Cork Stopper - Bark, size no. 7, bottom 15mm, top 21mm, length 25mm, pk of 10 (10 per PK )

Silicone stoppers are particularly useful due to their inert and nonreactive nature. It will not impair the growth of tissue cultures and resistant to most chemical acids and solvents. (12 per PK )

Blue ASTM neoprene stoppers with 1 hole (5 mm dia): ASTM Size: #10 Bottom 42mm Top 50mm Length 25mm Made from long lasting neoprene rubber, oil resistant, Use up to temps of 250°F / 120°C Pack of 10 (10 per PK )

Cork Stopper - Bark, size no. 10, bottom 20mm, top 25mm, length 31mm, pk of 10 (10 per PK )

Blue ASTM neoprene stoppers with 1 hole (5 mm dia): ASTM Size: #6.5 Bottom 27mm Top 34mm Length 25mm Made from long lasting neoprene rubber, oil resistant, Use up to temps of 250°F / 120°C Pack of 10 (10 per PK )

Blue neoprene stoppers with 1 hole (4 mm dia): Bottom 8mm Top 10.5mm Length 20mm Made from long lasting neoprene rubber, oil resistant, Use up to temps of 250°F / 120°C Pack of 10 (11 per PK )

Blue neoprene stoppers with 2 holes (4 mm dia): Bottom 13mm Top 16mm Length 24mm Made from long lasting neoprene rubber, oil resistant, Use up to temps of 250°F / 120°C Pack of 10 (10 per PK )

Stopper-Polypropylene 19/26, pk of 10 (10 per PK )

These black stoppers are 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. Withstand temperatures from –25 to 70°C (–13 to 158°F). Available in solid, one-hole, and two-hole versions. Each stopper has its size marked in raised figures. All stoppers are 25 mm tall. Sold as one-pound bags. (10 per PK )

Cork Stopper - Bark, size no. 0, bottom 7mm, top 10mm, length 13mm, pk of 10 (10 per PK )

Solid blue ASTM neoprene stoppers: ASTM Size: #16 Bottom 90mm Top 127mm Length 50mm Made from long lasting neoprene rubber, oil resistant, Use up to temps of 250°F / 120°C Pack of 10 (10 per PK )

Cork Stopper - Bark, size no. 11, bottom 21mm, top 27mm, length 31mm, pk of 10 (10 per PK )

Solid blue ASTM neoprene stoppers: ASTM Size: #000 Bottom 8.2mm Top 12.7mm Length 25mm Made from long lasting neoprene rubber, oil resistant, Use up to temps of 250°F / 120°C Pack of 10 (10 per PK )

These black stoppers are 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. Withstand temperatures from –25 to 70°C (–13 to 158°F). Available in solid, one-hole, and two-hole versions. Each stopper has its size marked in raised figures. All stoppers are 25 mm tall. Sold as one-pound bags. (10 per PK )

Stopper-Polypropylene 10/19, pk of 10 (10 per PK )

Blue ASTM neoprene stoppers with 1 hole (5 mm dia): ASTM Size: #7.5 Bottom 31mm Top 39mm Length 25mm Made from long lasting neoprene rubber, oil resistant, Use up to temps of 250°F / 120°C Pack of 10 (10 per PK )

Blue ASTM neoprene stoppers with 1 hole (5 mm dia): ASTM Size: #2 Bottom 16mm Top 20mm Length 25mm Made from long lasting neoprene rubber, oil resistant, Use up to temps of 250°F / 120°C Pack of 10 (10 per PK )

These grade XXX tapered cork stoppers are an excellent choice for general laboratory use. They are effective for both liquid and solid mediums, and offer light weight, resilience and compressibility. Chemically inert and moisture resistant. Sold as packs (100 per PK )