Cheap price Fresh Air Ventilation - 300,000 dust purification level – TekMax

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Cheap price Fresh Air Ventilation - 300,000 dust purification level – TekMax Detail:

Air cleanliness level ISO14644-1 (international standard)

Air cleanliness level(N)	Maximum concentration limit of particles greater than or equal to the marked particle size (number of air particles/m3)
Air cleanliness level(N)	0.1um	0.2um	0.3um	0.5um	1.0um	5.0um
ISO Class1	10	2
ISO Class2	100	24	10	4
ISO Class3	1,000	237	102	35	8
ISO Class4	10,000	2,370	1,020	352	83
ISO Class5	100,000	23,700	10,200	3,520	832	29
ISO Class6	1,000,000	237,000	102,000	35,200	8,320	293
ISO Class7				352,000	83,200	2,930
ISO Class8				3,520,000	832,000	29,300
ISO Class9				35,200,000	8,320,000	293,000

Approximate comparison table of cleanliness grades in various countries

PCS/M≥0.5um	ISO 14644-1(1999)	US 209E(1992)	US 209D(1988)	EEC cGMP(1989)	FRANCE AFNOR(1981)	GERMANY VDI 2083(1990)	JAPAN JAOA(1989)
1	-	-	-	-	-	-	-
3.5	2	-	-	-	-	0	2
10.0	-	M1	-	-	-	-	-
35.3	3	M1.5	1	-	-	1	3
100	-	M2	-	-	-	-	-
353	4	M2.5	10	-	-	2	4
1,000	-	M3	-	-	-	-	-
3,530	5	M3.5	100	A+B	4,000	3	5
10,000	-	M4	-	-	-	-	-
35,300	6	M4.5	1,000	1,000	-	4	6
100,000	-	M5	-	-	-	-	-
353,000	7	M5.5	10,000	C	400,000	5	7
1,000,000	-	M6	-	-	-	-	-
3,530,000	8	M6.5	100,000	D	4,000,000	6	8
10,000,000	-	M7	-	-	-	-	-

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