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Dewar flask with weighted metal base for stability and with a full-length aluminum housing which extends to the top rim for added protection. *Due to extra high vacuum, the Dewar flasks may have a rare possibility to explode, so we recommend working behind a safety shield in hood and always wear safety goggles. -
Erlenmeyer with joint size, stopper is not supplied. -
Low profile design sits upright on bench and also provides for easy product access with a spatula. The unique flask shape is excellent for the controlled evaporation of foaming solvents such as toluene or xylene on a rotary evaporator. -
Heavy wall design made from tubing to ensure excellent quality with 10mm hose connection. -
Heavy wall single neck, flat bottom flask with an outer joint. All sizes listed are hand-blown from tubing to ensure uniform wall thickness. -
Manufactured from heat resistant, durable borosilicate glass according to DIN EN ISO 4797 standard. Thick wall, heavy base and reinforced rim prevent breakage during washing and transportation. Perfectly grinded NS necks with smooth interior guarantee excellent leak-proof closure. Volume graduations and inscriptions are printed with white enamel. -
Manufactured from heat resistant, durable borosilicate glass according to DIN EN ISO 4797 standard. Thick wall, heavy base and reinforced rim prevent breakage during washing and transportation. Perfectly ground NS necks with smooth interior guarantee excellent leak-proof closure. Volume graduations and inscriptions are printed with white enamel. -
Manufactured from heat resistant, durable borosilicate glass according to DIN EN ISO 4797 standard. Thick wall heavy base and reinforced rim prevent breakage during washing and transportation. Perfectly ground NS necks with smooth interior guarantee excellent leak-proof closure. Volume graduations and inscriptions are printed with white enamel. -
Supplied with high vacuum valve with PTFE O-ring at tip and PTFE wiper ("Umbrella") to protect Viton O-ring on shaft. -
Choice of either 2mm stopcock, 2mm Teflon stopcock or 0-4mm high vacuum valve. -
Manufactured from borosilicate . Heavy wall design. -
Supplied with high vacuum valve with PTFE O-ring at tip and PTFE wiper ("Umbrella") to protect Viton O-ring on shaft. -
With an outer joint and 2mm stopcock having a constant pressure retention device. -
With a 2mm stopcock having a constant pressure retention device. -
Supplied with high vacuum valve with PTFE O-ring at tip and PTFE wiper to protect Viton O-ring on shaft. -
With 2mm stopcock. With spring retention device for smooth turning purpose.
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