Glass Test Tubes, Heavy-Duty Laboratory WareDescription: These heavy duty glass test tubes are designed for versatile use in laboratory environments. Manufactured from high quality borosilicate glass, they offer excellent resistance to thermal shock and chemical corrosion. Suitable for a wide range of applications including heating, mixing, and storing liquid or solid samples. Specifications: Type: Glass Test Tubes Material: Durable borosilicate glass Usage: General purpose test tube for