Worldwide Standard Cleanliness

27 Nov
By 未分类 Comments Off on Worldwide Standard Cleanliness

Worldwide Standard Cleanliness

Cleanliness

The cleanroom classification standards FS 209E and ISO 14644-1 require specific particle count measurements and calculations to classify the cleanliness level of a cleanroom or clean area.

ISO 14644-1

Maximum concentration limits (particles/m3 )
Classification Number (N) 0.1μm 0.2μm 0.3μm 0.5μm 1.0μm 5.0μm
ISO Class 1 10 2 – – – –
ISO Class 2 100 24 10 4 – –
ISO Class 3 1,000 237 102 35.2 8 –
ISO Class 4 10,000 2,370 1,020 352 83 –
ISO Class 5 100,000 23,700 10,200 3,520 832 29
ISO Class 6 1,000,000 237,000 102,000 35,200 83,200 293
ISO Class 7 – – – 352,000 832,000 2,930
ISO Class 8 – – – 35,200,000 8,320,000 29,300
ISO Class 9 – – – – – 293,000

Federal Standard 209E Airborne Particulate Cleanliness Classes

Diameter for Airborne Particle
ICR Cleanliness 0.1μm 0.2μm 0.3μm 0.5μm 0.5μm
Volume Units Volume Units Volume Units Volume Units Volume Units
SI Class (m3) (ft3) (m3) (ft3) (m3) (ft3) (m3) (ft3) (m3) (ft3)
M1 350 9.91 75.7 2.14 30.9 0.875 10.0 0.283 – –
M1.5 1 1240 35.0 265 7.50 106 3.00 35.3 1.00 – –
M2 3,500 99.1 757 21.4 309 8.75 100 2.83 – –
M2.5 10 12,400 350 2,650 75.0 1,060 30.0 353 10.0 – –
M3 35,000 991 7,570 214 3,090 87.5 1,000 28.3 – –
M3.5 100 – – 26,500 750 10.600 300 3,530 100 – –
M4 – – 75,700 2,140 30,900 875 10,000 283 – –
M4.5 1000 – – – – – – 35,300 1,000 247 7.00
M5 – – – – – – 100,000 2,830 618 17.5
M5.5 10,000 – – – – – – 353,000 10,000 2,470 70.0
M6 – – – – – – 1,000,000 28,300 6,180 175
M6.5 100,000 – – – – – – 3,530,000 100,00 24,700 700
M7 – – – – – – 10,000,000 283,000 61,800 1,750

JIS B 9920

Class Maximum concentration limits (particles/m3 )
0.1μm 0.2μm 0.3μm 0.5μm 1μm 05μm
Class1 10 2 — — — —
Class2 100 24 10 4 — —
Class3 100 237 102 35 8 —
Class4 10,000 2,370 1,020 352 83 —
Class5 100,000 23,700 10,200 3,520 832 29
Class6 — 237,000 102,000 35,200 8,320 293
Class7 — — — 352,000 83,200 2,930
Class8 — — — 3,520,000 832,000 29,300
Class9 — — — 35,200,000 8,320,000 293,000

Britain BS 5295

Classs Maximum concentration limits (particles/m3 )
0.5μm 1μm 5μm 10μm 25μm
Class 1 3,000 — 0 0 0
Class 2 300,000 — 2,000 30 —
Class 3 — 1,000,000 20,000 4,000 300
Class 4 — — 200,000 40,000 4,000

Worldwide Standard comparison

Worldwide Standard Class
ISO 14644-1 ISO 3 ISO 4 ISO 5 ISO 6 ISO 7 ISO 8
FS 209E Class 1 Class 10 Class 100 Class 1000 Class 10000 Class 100000
FS 209E(SI) M1.5 M2.5 M3.5 M4.5 M5.5 M6.5
JIS B 9920 Class 3 Class 4 Class 5 Class 6 Class 7 Class 8
Britain BS 5295 C D E/F G/H J K
Germany VD I.2083 1C 2 3 4 5 6
Australia AS 1386 0.035 0.35 3.5 35 350 3500
France AFNOR X44101 — — 4,000 — 4,000 4,000,000
Grade – A/B – C

Author

Related Posts

29 Oct

ULPA Filters Introduction of HaoAir Tech

ULPA Filters Introduction of HaoAir Tech ULPA stands for Ultra Low Particulate Air. Growing market demand from advanced science and technology led to development of ULPA filters which provide a minimum of 99.999% efficiency (0.001% maximum penetration) on 0.3 micron particles for achieving better cleanliness... read more

17 Mar

Cleanroom Applicable Industries Intruduction

Cleanroom Applicable Industries   Electronics Cleanrooms, Aerospace, Optics, Research, Military, Defense, Etc. This ISO5 GMP directional wheels dehumidifier modular cleanbooth for laboratory design normally involves products research, manufacturing, or repair & calibration that does not normally require the room surfaces, and equipment to be sanitized or... read more

22 Sep

Air shower pass through box introduction

Air shower pass through box Introduction The air shower pass through box is designed according to the type of the clean room air shower . And it is also called purification transfer box, air-shower transfer cabinet or air-shower pass box. In order to reduce the... read more

10 Aug

Dust particles and microbial contamination in cleanroom

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

15 Sep

Introduction of Vertical Blowing Air Shower Room

Vertical Blowing Air Shower Room Introduction Vertical Blowing Air Shower Room At present, the air shower room on the market is blowing by the left and right sides of the air shower nozzle, but this kind of blowing method is particularly prone to cause turbulence or... read more

08 Aug

How to ensure the effect of air purification in a clean room

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

19 Nov

Note When Getting Cleanrooms

Note When Getting Cleanrooms Basically, there are various types of particles around us and a considerable amount of these particles are harmful to some manufacturing processes. Some everyday microorganisms too can be harmful to sensitive manufacturing processes. Since most of the industries consider manufacturing micro... read more

13 Nov

Airflow Control of Cleanrooms

Airflow Control of Cleanrooms Many professionals around the globe make the best use of cleanrooms in order to standardize their production and research processes. At a glance, the outer appearance of cleanrooms may look normal and similar to the conventional rooms that have glass walls,... read more

05 Aug

Air Filters’ Classification According To Filtration Efficiency

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

25 Nov

Filter Integrity Test

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

Online Service
Live Chat