Specification Brand : PROGLASS BulletPoint1 : 14/20 Joints BulletPoint2 : Annealed at 800 degree Celsius BulletPoint3 : Made of borosilicate glass 3.3 BulletPoint4 : Made by hand blowing BulletPoint5 : Capacity of 50mL Capacity : 50 milliliters Color : Clear ExternallyAssignedProductIdentifier : 7397757214846 ItemName : Proglass Glass Single Neck Pear Shaped Flask 50mL with 14/20 Joint ItemPackageDimensions_Height : 46.736 centimeters ItemPackageDimensions_Length : 33.274 centimeters ItemPackageDimensions_Width : 33.782 centimeters ItemTypeKeyword : science-lab-boiling-flasks Manufacturer : PROGLASS Material : Glass ModelNumber : CH0402L NumberOfItems : 1 PartNumber : 7397757214846 ProductDescription : Flasks are heavy wall designed, made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree Celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling. ProductSiteLaunchDate : 2017-09-02T07:00:00.000Z Size : 100ml,24/40,24/40 SpecificationMet : Iso SupplierDeclaredDgHzRegulation : not_applicable