GB/T 40890-2021
ActiveGeneral quality requirements and test methods for the teaching vitreous equipment
教学用玻璃仪器一般质量要求和试验方法
Application Summary AI generated
This standard specifies the general quality requirements and corresponding test methods for glass instruments used in educational settings, such as beakers, flasks, and test tubes. It is applied by manufacturers, quality inspection agencies, and educational institutions to ensure the safety, durability, and dimensional accuracy of glassware intended for school laboratories and teaching demonstrations. The standard covers aspects like thermal shock resistance, chemical stability, and mechanical strength to prevent breakage and chemical hazards during student use.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.