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Filtered Coolant and Unfiltered Coolant Compared

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Filtered Coolant and Unfiltered Coolant Compared

Filtered & Unfiltered Sumps 

Nothing speaks the truth like real data and numbers.  You can see here from our testing and analysis the difference that filtering can make.  Filtering Machine Coolant gets rid of small particles, reduces dangerous bacteria, and contaminants that can harm tools, equipment, and workers.  Take a look at the numbers below to see how much of a difference filtering your machine coolant can make in your shop.  For more information on our Coolant Testing, Machine Coolant filter Units, or to view more articles on Coolant management visit our Machine Coolant Filtration Index.

 

Filtered Sump

Unfiltered sump

Surface

clean

1 - 2% tramp oil film

Mixture

10% coolant
90% water

5 - 7 % coolant
70 - 80% water

Added chemicals

none

nerve agent based chemicals
bactericides fungicides

Growths

none

bacteria colonies
algae blooms

Sump Bottom

clean

10 - 15% sludge

Metal contamination
(dissolved & chelated metals)

All metals less than 1%

Arsenic
Cadmium
Barium
Mercury
Silver
Selenium
Lead
Chromium

Abrasive particles

11,000 per cubic centimeter
most under 1 micron

75,000,000 per cubic centimeter
diamond grit & carbide particles from 1 to 20 microns and above

 

 compared_coolant-1.jpg

 compared_coolant-2.jpg

compared_coolant-3.jpg 

Typical Unfiltered Coolant

Same Coolant Filtered 3 Hours

Unused Coolant

Particles in Filtered and Unfiltered Coolants

 

Straight Oil Coolant

 

 

 

 

Microns

Dirty

Filtered

Improvement

1

 

 

 

2

 

 

 

3

 

 

 

4

 

 

 

5

459,444

 

 

6

55,592,672

2,439,890

100.00%

7

65,700,431

16,300,862

95.61%

8

49,466,758

6,256,897

75.19%

9

30,782,719

1,631,583

87.35%

10

31,395,311

673,589

94.70%

11

24,656,805

493,966

97.85%

12

22,665,883

449,060

98.00%

13

7,657,393

164,655

98.02%

14

1,990,922

104,781

97.85%

15

918,887

44,906

94.74%

16

306,296

44,906

95.11%

17

 

 

85.34%

18

 

 

 

19

 

 

 

20

46,408

 

 

21

166,430

23

100.00%

22

152,028

821

99.99%

23

133,624

3,824

99.46%

24

132,824

10,792

97.14%

25

304,855

15,016

91.87%

26

300,855

3,379

95.07%

27

195,236

1,009

98.88%

28

61,611

774

99.48%

29

25,605

305

98.74%

30

4,801

94

98.81%

31

1,600

23

98.04%

32

800

0

98.56%

> 32

4,801

164

100.00%

 

 

 

 

 

293,124,999

28,641,319

96.58%

Water Based Coolant

 

 

 

Dirty

Filtered

Improvement

140,317

25,575

81.77%

14,382,515

21,432

99.85%

15,364,737

9,720

99.94%

19,644,411

4,223

99.98%

13,751,087

2,550

99.98%

9,120,620

1,673

99.98%

1,894,282

558

99.97%

631,427

239

99.96%

420,952

80

99.98%

280,634

478

99.83%

0

319

 

140,317

0

100.00%

70,159

159

99.77%

70,159

0

100.00%

140,317

80

99.94%

70,159

0

100.00%

65,774

32

99.95%

85,506

112

99.87%

26,309

80

99.70%

 

48

 

 

16

 

 

 

 

76,299,682

84,583

99.89%

 


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