Specification Brand : Dntum BulletPoint1 : of essential oils DIY Make a professional , fractional , separation, purification and synthesis .. BulletPoint2 : Thanks to the high quality thick production, the high temperature and the temperature of up to 500 degrees, you can experiment easily .. BulletPoint3 : Perfect set for laboratories of organic chemistry, , fractional , separation ,. BulletPoint4 : All bottles are made of 3.3 borosilicate glass which is blown and polished by hand to ensure a perfect fit .. BulletPoint5 : Good thermal stability. The thermal expansion coefficient of glass is very small and can withstand extreme temperature changes. ExternallyAssignedProductIdentifier : 7071545116184 ItemName : Essential Oil Family Chemistry Lab Glassware Kit 24/40 Seinheit Lab Glass Kit Experiment Device 500Ml, Learning Tools for Students ItemTypeKeyword : beakers Manufacturer : Dntum MetalType : other PartNumber : SYMXZJ0080612 ProductDescription : Tips: