Supplies

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 )

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 )

STAINLESS STEEL SPATULA, 5" (12.5 CM), BOTH ENDS FLAT (10 per PK )

Soft, silicone grip provides improved comfort and handling. Blade is constructed of stainless steel with a flexible, rounded end. Handle is manufactured of polypropylene and layered with a silicone grip. Handle dimensions are 4-1/8”L x 1”W x 1/2”H. Latex-free. Autoclavable. (1 per EA )

Our Magnetic Stir Bars are constructed of high quality magnets coated with PTFE. Along with individual sizes of polygon, octagon, and egg-shaped, two convenient assortments are available. Stir Bar retrievers also available. (1 per EA)

Our Magnetic Stir Bars are constructed of high quality magnets coated with PTFE. Along with individual sizes of polygon, octagon, and egg-shaped, two convenient assortments are available. Stir Bar retrievers also available. (1 per EA)

These pipettes are made from borosilicate glass in compliance with ASTM specification E-1293. Color-coded. Batch certified. Calibrated to deliver. Printed with durable amber markings. (5 per PK )

These pipettes are made from borosilicate glass in compliance with ASTM specification E-969. Color-coded. Batch certified. Calibrated to deliver. Printed with durable amber markings. (5 per PK )

Made from soda lime glass (1.8 mm thick), fine ground and flame polished edges. (10 per PK )

Polymethylpentene beakers with pouring spouts are ideal for general laboratory use. Tapered design is convenient for stacking and holding. All sizes have easy to read silk-screened graduations. Autoclavable. (12 per PK )

Class A, ASTM E-287, meets USP standards, serialized and certified. Waiting time of 30 seconds. Manufactured from precision bore tubing and calibrated To Deliver (TD, Ex) on computer-controlled machines. Includes PTFE screw thread stopcock. (1 per EA)

Quartz Glass Crucible Lid 150ml fits #CGQ150 (1 per EA)

Quartz Glass Crucible Lid 150ml fits #CGQ150 (1 per EA)

Quartz Glass Crucible Lid 150ml fits #CGQ150 (1 per EA)

Designed for repeated laboratory use, United Scientific™ CrystalClear™ crystallizing dishes are made from industrial grade borosilicate 3.3 glass. Dishes are autoclavable, with excellent chemical resistance, a low temperature gradient, and can withstand high temperatures and thermal shocks. (6 per PK )

Designed for repeated laboratory use, United Scientific™ CrystalClear™ crystallizing dishes are made from industrial grade borosilicate 3.3 glass. Dishes are autoclavable, with excellent chemical resistance, a low temperature gradient, and can withstand high temperatures and thermal shocks. (6 per PK )

Our boiling flasks are made from low-expansion borosilicate glass. Feature uniform wall thickness for superior mechanical strength and shock resistance. (6 per PK )

Our boiling flasks are made from low-expansion borosilicate glass. Feature uniform wall thickness for superior mechanical strength and shock resistance. (6 per PK )

Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included. Meets Class A specifications per ASTM E288. Individually serialized and certified. (1 per EA)

Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included. Meets Class A specifications per ASTM E-288. Individually serialized and certified. (1 per EA)