Borosilicate 3.3 Sight Tubular Glass Rod & Tube

Borosilicate 3.3 Sight Tubular Glass Rod & Tube is a high-performance glass product made from borosilicate glass with a 3.3 expansion coefficient, offering exceptional thermal shock resistance, chemical durability, and optical clarity, designed for use as sight tubes or rods in industrial applications requiring visibility into high-temperature, corrosive, or pressure-sensitive systems, such as boilers, chemical reactors, and pharmaceutical equipment.