Specifications

72
The GOST standard is developed by the Technical Committee of Standardization TK 184
“Ensuring Industrial Cleanliness” introduced by the Government of Russia.
Adopted by the Inter-governmental Committee of Standardization Metrology and Certi cation
(Protocol No. 19 dated 24 May 2001).
Size range 5–10μm 10–25μm 25–50μm 50–100μm >100μm
Particle contamination level by class (particles per 100ml)
00 84100
0 168200
1 32 16 3 0 0
2 63 32 4 1 0
3 125 63 8 2 0
4 250 125 12 3 0
5 500 250 25 4 1
6 1,000 500 50 6 2
7 2,000 1,000 100 12 4
8 4,000 2,000 200 25 6
9 8,000 4,000 400 50 12
10 16,000 8,000 800 100 25
11 31,500 16,000 1,600 200 50
12 63,000 31,500 3,150 400 100
13 – 63,000 6,300 800 200
14 – 125,000 12,500 1,600 400
15 – – 25,000 3,150 800
16 – – 50,000 6,300 1,600
17 – – – 125,000 3,150
GOST 17216-2001 Table