21
Nov
Cleanrooms Operate
Cleanrooms are designated areas that are free from contaminants and airborne particles. These designated areas are generally used either for manufacturing or research processes. However, compared to most manufacturing processes, cleanrooms are strictly safer and free from many types of airborne particles. In... read more
07
Aug
Air filter is an essential equipment for clean room. Many enterprises have made difficulties to select air filters. Now there are so many air filters on the market, how to choose them? In fact, as long as you master the method, it is very... read more
25
Nov
Filter Integrity Test
PAO Method
(For testing HEPA) In the PAO test, a gas type of smoke will be generated by the PAO generator. After using the photometer to test the concentration on the upstream of the HEPA, a particle counter will be put at the... read more
10
Aug
Cleanroom can be classified into industrial cleanroom, bio-medicine cleanroom, biosafety cleanroom. The industrial cleanroom mainly controls the inactive dust particles and maintains the relative positive pressure on the adjacent room. It is suitable for electronic industry and precision industry and so on. The bio-medical... read more
05
Sep
Clean rooms is a controlled environment where products are manufactured. It is a room in which controlls the concentration of airborne particles to specified limits. Eliminating sub-micron airborne contamination is really a process of control. These contaminants generates by people, process, facilities and equipment. They... read more
29
Nov
Features for Clean Rooms Air-conditioning
clean rooms
I.Temperature and humidity requirements are higher than general air-con.
The temperature requirement for general air-con is between 18°C and 26°C and the relative humidity is between 40% and 65%; while the temperature in Clean Room should be controlled between 22°C... read more
08
Aug
The clean room pollution is caused by both physical and human factors, hardware and software factors. For example, the fine particles carried in the process of material entering and leaving, the dust carried by the operator in and out of the clean room, the particles... read more
13
Aug
Class 1000 clean room has a high level of cleanliness, second only to Class 100 clean room .It is often used in the pharmaceutical Industry, electronics, semiconductors, laboratories and biological products and other industries.
Purification principle of 1000-Class Clean Room is as follows. Repeat the... read more
16
Oct
What differentiates cleanroom HVAC to conventional systems?
Cleanroom HVAC design encompasses much more than conventional temperature and humidity control. Typical office building air contains from 500,000 to 1,000,000 particles (0.5 microns or larger) per cubic foot of air. A Class 100 clean room is designed... read more
05
Aug
Air Filters’ Classification According To Filtration Efficiency
About air filters’ classification, different countries or regions have its different classifications according to their standards. Similarly, the requirements for cleanliness vary from industry to industry. The following figure is the air filters’ classification criteria for each country. According... read more