Activity & Learning Toys

Laboratory Science Experiment Equipment Toolbox, Industrial Chemistry 250ML Flask Heating Device Borosilicate Glass Kit Family College Teaching Supplies 1. All flasks are made of 3.3 borosilicate glass, hand blown and polished for perfect fit. 3. The degree of completion of the extraction is very high. It can be removed by adding several solvents and has a high usage rate. The perfect combination of... Laboratory Science Experiment Equipment Toolbox, Industrial Chemistry 250ML Flask Heating Device Borosilicate Glass Kit Family College Teaching Supplies