Borosilicate Glass Erlenmeyer Flasks are designed to give the best combination of thermal shock resistance, physical strength, and resistance to chemical attack, Narrow Mouth.

Disposable polystyrene petri dishes offer optical clarity and strength at economical prices. 65mm dish includes a molded-in grid on the lid for easy colony counting. Sterilized.

Economical yet very durable racks that are submersible, autoclavable, and easily stack when empty.  Made from a special blend of polypropylene (PP) that makes them sink in a water bath and maintain their stability, even in agitated water.  The top tier features an alphanumeric grid…

These handy short form jugs, molded in polypropylene, are clear, autoclavable and have good chemical resistance. All sizes have handles for convenient lifting, and feature raised graduations.

With its thick glass walls and sturdy construction, this 10L bottle/flask is perfect for filtering large volumes of liquid. The thick walls and design enables this flask to withstand vacuum filtration without imploding. Graduated in 1000mL increments on a scale from 2000mL to 8000mL with an…

These polypropylene tubes feature a screw top with easy to read black graduations. These sterile, conical bottom tubes also feature a writing area to allow for easy sample identification. Temperatures between 0-40degrees Celsius are the suggested working range.

Mortars with lips are glazed on the outside, except for the bottom. Pestles are glazed to grinding surface. Oversized pestle for easier grinding. Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5, gradually increasing to 4.69 x 10-5 at…

Strong Wooden Frame with hinged cover. Slides fit into numbered beveled slots. Printed index lines the cover.

These disposable, yet sturdy polypropylene beakers feature three pouring lips for drip-less dispensing. Beakers are graduated in both ounces and ml. Assortment of 5 each 50ml, 100ml, 250ml, 400ml, 800ml, and 100ml Tri-Pour Beakers.

Natural Gas with Flame Stabilizer Tirril Bunsen Burner

Measuring (Mohr Type) pipettes are manufactured from specially selected, heavy wall machine drawn borosilicate accurate bore glass tubing. They have precision fored jets and bevel ground ends to resist chipping. The graduation marks are in durable white enamel or amber stain; both are resistant to…

These extension clamps features heavy-duty electroplated zinc alloy construction, dual prong adjustments and addtional fiberglass sleeves. Clamps have a max temperature use of 80°C. CLHD01 - 4" long extension rod is constructed of stainless steel. Prongs open to about 1.75",…

This complete set features high quality borosilicate glass parts and all hardware necessary for simple distillation experiments. Includes: 500ml Round Bottom Borosilicate Flask with Side Tube 300mm Graham Condenser 250ml Erlenmeyer Flask Glass Stopper Support Stand…

This simple and ingenious device quickly and graphically shows students how different metals conduct heat at different rates. It consists of four identically-sized bars of common metals - steel, brass, aluminum, and copper - mounted parallel to one another in a plastic support. Attached to each bar…

Spunlace non-woven wipes are constructed from a hydroentangled, nonwoven blend of 55% cellulose and 45% polyester. This composite substrate has the highly absorbent properties of a natural fiber with the cleanliness and strength of a synthetic yarn. Recommended for use in cleanroom critical…

This high quality set of 12 drilled balls is great for conducting all of your pendulum experiments.  Each set contains 2 each of brass, aluminum, steel, wood, cork, and copper balls. A 3mm hole is drilled through the center of each ball. Every set comes in a convenient plastic storage…

Featured displays of this electronic alarm stopwatch include time (hours-minutes-seconds, with 12 or 24 hour mode option), calendar, 24-hour stopwatch, alarm, hourly chime, 1/100 second chronograph, split time, and total time. It is lightweight, easy to operate, ad comes complete with battery and…

Stainless Steel Micro Spatulas with varying ends.

Separatory Funnel, conical Shape with PTFE Stopcock and Plastic Stopper.

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.

Straight plastic pipettes with rubber bulbs.

100 strips each in matching color plastic vials. Individual strips are approximately 2" long and 1/4" wide.

These handy tall form jugs, molded in polypropylene, are clear, autoclavable and have good chemical resistance. All sizes have handles for convenient lifting, and feature raised graduations.

Tuning forks made from alluminum alloy. The frequency and leter scale is stamped on each fork.

Hook Collar clamps are ideal for suspending pulleys, balances, etc from support rods or cross members. Available for rods up to 0.5" or 0.75".

Octagonal mortar and pestle sets feature highly polished grinding surface. Made of naturally hard agate stone (6.5 on Moh's Scale). For use in laboratories demanding contamination-free results.

Plastic Insulated Copper wire is 22 gauge, supplied in 100 foot rolls and available in three colors. Bare Nickel Chromium Wire is supplied in 4 ounce spools. Enameled Copper Magnet Wire is supplied in 4 ounce spools. Soft Bare Copper Wire is available in 4 ounce or 1 lb spools.

Beakers, molded in Polypropylene, have excellent clarity and very good chemical resistance. They are autoclavable and feature raised graduations on the outer surface. Griffen style beakers next without sticking together.

Multipurpose tool that works as a stirrer as well as a spatula.

Overall length 9", rivted joints, tips are serrated.

The most widely used qualitative filter paper for routine applications. Medium porosity and flow rate. 100 circles packed in a cardboard box. Superior quality neutral filter paper. Suitable for medium filtration, very low ash content.

Clear quartz glass crucibles are useful for analytical applications that require ashing of samples. Can withstand a continous operating temperature of 1050°C. Lids for Clear quartz glass crucibles can withstand a continous operating temperature of 1050°C.