Pressure equipment made from borosilicate glass 3.3. General rules for design, manufacture and testing|Thermal properties of materials, Pressure vessels, Design, Quality, Acceptance (approval), Softening point, Thermal expansion, Modulus of elasticity, Pressure equipment, Glassware, Borosilicate glass, Glass, Poisson ratio, Defects, Chemical-resistant materials, Quality assurance, Thermal stress, Tensile strength, Thermal conductivity, Leak tests, Specific heat, Inspection, Marking, Pipes, Mathematical calculations, Density