Corks, Stoppers and Accessories

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 )

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 )

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 )

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 )

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 )

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 )

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 )

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 )

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 )

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 )

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 )

Solid blue ASTM neoprene stoppers: ASTM Size: #8.5 Bottom 36mm Top 43mm 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 6mm Top 8mm Length 16mm Made from long lasting neoprene rubber, oil resistant, Use up to temps of 250°F / 120°C Pack of 10 (10 per PK )

Solid blue ASTM neoprene stoppers: ASTM Size: #11.5 Bottom 50mm Top 63mm 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 )

Solid blue ASTM neoprene stoppers: ASTM Size: #9 Bottom 37mm Top 45mm 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 2 hole (5 mm dia): ASTM Size: #3 Bottom 18mm Top 24mm 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 2 hole (5 mm dia): ASTM Size: #4 Bottom 20mm Top 26mm 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: #9 Bottom 37mm Top 45mm 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 )

Solid blue ASTM neoprene stoppers: 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 neoprene stoppers with 1 hole (5 mm dia): Bottom 27mm Top 31mm Length 32mm 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 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 )

Blue ASTM neoprene stoppers with 2 hole (5 mm dia): ASTM Size: #13 Bottom 58mm Top 68mm 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 )

Solid blue ASTM neoprene stoppers: ASTM Size: #13.5 Bottom 62mm Top 75mm Length 35mm 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 2 hole (5 mm dia): ASTM Size: #11 Bottom 48mm Top 56mm 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 )