• Frame Material

  The frame of a clean room is usually made of industrial aluminum profiles, stainless steel squares or sprayed squares. These materials have good strength and corrosion resistance, and are able to withstand certain pressures and impacts, as well as being easy to clean and maintain cleanliness. Aluminum profiles are widely used because they are lightweight, strong and non-rusting, and the aluminum alloy material also facilitates subsequent disassembly and multiple use.

• Wall Material

  The walls of clean rooms are generally made of anti-static drapes, acrylic panels, or other suitable panels. Anti-static drapes can effectively discharge static electricity and reduce the impact of static electricity on sensitive components, while maintaining good transparency and grid clarity. Acrylic panels are commonly used for clean room walls because they are lightweight and easy to install.

• Filtration System

  The filtration system of a clean room is its core part, usually using a fan filter unit (FFU), which can continuously provide highly efficient filtered air to ensure the cleanliness of the room.The FFU is usually equipped with primary filters and high-efficiency filters (HEPA), which are used to intercept particles in the air and keep the air clean.

• Other Components

  Other components of a clean room include the top closure panel and the internal lighting system. The top enclosure is usually made of anti-static blind or sheet metal to prevent dust and other contaminants from intruding from above. The interior lighting system requires non-dust-producing, uniformly lit fixtures to ensure proper visibility for staff.

• Automatic control system

  The automatic control system of the clean shed is one of its core functions, including automatic air shower and infrared sensor blowing to ensure effective clean processing of personnel and goods entering and leaving. In addition, the system is equipped with a time relay to adjust the blowing time, the range of which is usually between 10-99 seconds to adapt to different clean requirements.

• Filtration System

  The clean room adopts both primary and high efficiency filtration systems, equipped with zoned high efficiency filters with filtration efficiency up to 99.99% to ensure the purity of air. In addition, the nozzle outlet wind speed is higher than 25m/s, and the wind speed to the human body is higher than 18m/s, effectively preventing the intrusion of pollutants.

• Sealing and Mobility

  The clean booth adopts EVA sealing material to ensure high airtightness and effectively prevent the penetration of airborne pollutants. At the same time, the bottom of the clean room is equipped with universal wheels, which is easy to move and increases its flexibility and practicability.

• Scope of application

  Clean booths are widely used in electronics, semiconductor, precision machinery, pharmaceutical, food and other industries, especially in the production of semiconductors and electronic products, clean booths provide these industries with the necessary production environment to ensure the high quality and stability of products.

• Main frame material

  The main frame materials of the clean shed mainly include aluminum profile frame, stainless steel frame and carbon steel spray frame. These materials are characterized by solidity, beauty, no rust, no dust, ensuring the structural strength and service life of the clean shed.

• Perimeter Partitions

  Perimeter partition materials include anti-static mesh curtains, acrylic panels, PVC curtains, etc., which have good anti-static effect and high transparency, clear grids, good flexibility, not easy to deform and aging, and help maintain the cleanliness inside the clean shed.

• Fan unit filter module FFU

  FFU is the core component of the clean room, suitable for long time trouble-free operation of centrifugal fans, with long life, low noise, maintenance-free, low vibration and stepless speed change. Its unique air duct design significantly improves the efficiency of the fan,combined with H13 grade 99.99%@0.3μm or higher quality filters, to meet the needs of different use environments from 100 to 10,000 levels.

• Header Blind

  The materials of the roof blind include stainless steel plate, carbon steel plate spraying, galvanized plate, HD electrostatic curtain, acrylic plate, etc. These materials are selected to ensure the sealing and dust-proof capability of the clean room.

• Lighting Fixtures

  The cleanroom is equipped with the best dust-free purification lighting fixtures to ensure sufficient light is provided while minimizing dust accumulation.

• Controls

  Depending on the requirements, the control section of the clean room includes start-stop switch control, single-group control box, touch screen control and other methods to realize the convenience and accuracy of operation.

• Other Configurations

  According to the requirements of use, the clean room can also be equipped with universal casters, easy to move and adjust the position. The clean shed is highly expandable, easy to enhance the purification level, and has a high reuse value.

• Installation requirements

  When installing the clean shed, you need to choose a dry, ventilated, well-lit environment, and according to industry-specific requirements for anti-static, anti-corrosion treatment. The foundation construction must meet the design requirements to ensure that the foundation is level, solid and horizontal. The frame should be installed to ensure verticality and horizontality, and be treated with anti-corrosion and anti-rust treatment. The roof and wall panel installation should use purification board or other materials that meet the clean requirements to ensure flatness and tight seams. Air purification system installation should ensure that the components are tightly connected to avoid air leakage. Lighting system installation should ensure the waterproof and dustproof performance of lamps and lanterns and the uniformity of illumination. Electrical system installation should comply with relevant national standards and industry requirements to ensure stable and safe power supply. Grounding treatment should meet the design requirements to ensure the safe operation of the equipment. After the installation is completed, comprehensive testing and debugging is carried out to ensure that the systems operate normally and achieve the expected clean effect.

The basic requirements of clean room testing

• Air Cleanliness: The clean room must be able to control the number of particles and microorganisms in the air so that the air cleanliness meets the specified requirements.

• Temperature and humidity: The clean room needs to control the indoor temperature and humidity to adapt to different production needs. Temperatures typically need to be controlled at 20-24°C and relative humidity at 45-60%.

• Lighting: Clean rooms need to provide adequate lighting to ensure that staff can clearly see the objects being operated. In general, the illumination should be greater than 300 lux.

• Pressure difference: In order to prevent external contamination into the clean room, need to maintain a certain indoor and outdoor pressure difference. Generally speaking, the indoor pressure should be slightly higher than the outdoor pressure.

• Noise: Noise at work in the clean room should be kept within permissible limits to protect the physical and mental health of staff.

• Electrical safety: Clean rooms need to comply with strict electrical safety regulations to ensure the safe operation of equipment and personal safety of staff.

• Equipment and maintenance: equipment in the clean room should meet the requirements of the production process, and regular maintenance to ensure the normal operation of the equipment.

• Personnel management: staff entering the clean room should be strictly trained and managed to ensure that they comply with the regulations to prevent human factors on the production environment.

• Sanitation and disinfection: The clean room should be thoroughly cleaned and disinfected on a regular basis to keep the environment clean and sterile.

• Record management: Important information such as operating status, equipment maintenance and personnel activities of the clean shed should be recorded in detail for tracking and management.

Technical requirements for clean shed testing

• Particle concentration monitoring: According to GB/T 25915.2-2021, the monitoring of clean room air particle concentration is an important part of clean shed testing.

• Nano-particle concentration monitoring: GB/T 25915.12-2021 puts forward the technical requirements for monitoring the concentration of nano-particles in the air, which is especially important for the production of certain high-precision products.

• Continuous compliance testing and monitoring: GB/T 25915.2-2010 provides technical conditions for testing and monitoring to prove continuous compliance with GB/T 25915.1.

Precautions for Clean Shed Testing

• In the clean shed construction and installation, you need to pay attention to the ground requirements, storage of items, temperature and humidity control.

• Before installing the clean shed, the clean room must be fully cleaned and wiped.

• Before installing the high-efficiency filter, a comprehensive sweep and wipe of the technical mezzanine or ceiling interior is required.

• The installation process should be rationalized according to the resistance level of each filter.

• The skeleton of the clean shed is usually made of industrial aluminum profiles or stainless steel as the frame.