What is the standard of vacuum test?

In the international standard classification, vacuum testing involves packaging materials and accessories, floor treatment equipment, vacuum technology, acoustics and acoustic measurement, surface treatment and coating, metal material testing, fluid storage devices, pipeline components and pipelines, electrical equipment used under special working conditions, aerospace systems and operating devices, rubber and plastic products, textile products, road engineering, hand-held tools, building materials, disinfection and sterilization, switchgear and controllers, and aerospace appliances.

In the classification of China standards, vacuum detection involves packaging methods, household cleaning, cosmetics, noise and vibration testing methods, vacuum technology and equipment, metal physical performance testing methods, hygiene, safety, labor protection, nonmetallic materials for aerospace, basic standards and general methods, synthesis of synthetic materials, concrete, aggregate, mortar, water supply and drainage equipment, concrete products, packaging materials and containers, environmental protection equipment, and public utilities. Spacecraft synthesis, heat exchange equipment, steel synthesis, building heating and ventilation, air conditioning equipment, petroleum asphalt, special processing equipment, special materials for electronic technology, electric vacuum device synthesis, other electric vacuum devices, smelting equipment.