Need Clear round bottom quartz conical flask 400ml Buyer and Importer

Hi i am looking for Clear round bottom quartz conical flask 400mlWhat is the weight of this 400ml flask ? Material:Quartz Color:Clear Operating Temperature:1200℃ Soften Temperature:1650℃ Melt Point:1750-1850℃ Density:2.2(g/cm3) Application:Laboratory Test Advantage:High temperature resistant Resistance value:10000 times than ordinary glass Classification:FLASK Customized support:OEM Customized support:ODM Material:Otherperature:1200℃ Soften Temperature:1650℃ Melt Point:1750-1850℃ Density:2.2(g/cm3) Application:Laboratory Test Advantage:High temperature resistant Resistance value:10000 times than ordinary glass Classification:FLASK Customized support:OEM Customized support:ODM Material:Other Show More