Manufacture in state of the art moulding facility using high purity virgin polypropylene (PP) and polymethylpentene (TPX). Used for general laboratory use. TPX beakears have distinct advantage of high transparency and higher chemical resistivity. TPX Beakers have higher thermal withstading capacity over PP Beakers.ve Rectangular handle for easy carrying and pouring. All sizes have to read silk screened graduations. Precise pouring spouts. Can be autoclaved.