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VISCOSITY COMPARISON

POISE

FORD CUP #4 (SECS)

GARDNER-HOLT

KREBS-STORMER (KU's)

0.01

OUT OF RANGE

A-5

OUT OF RANGE

0.10

OUT OF RANGE

A-4

OUT OF RANGE

0.15

OUT OF RANGE

A-3

OUT OF RANGE

0.22

13.6

A-2

OUT OF RANGE

0.32

15.3

A-1

OUT OF RANGE

0.50

19.0

A

OUT OF RANGE

0.65

22.0

B

OUT OF RANGE

0.85

27.0

C

OUT OF RANGE

1.00

30.0

D

OUT OF RANGE

1.25

96.0

E

OUT OF RANGE

1.40

40.0

F

OUT OF RANGE

1.65

46.0

G

OUT OF RANGE

2.00

50.0

H

OUT OF RANGE

2.25

55.0

I

54

2.50

68.0

J

56

2.75

74.0

K

59

3.00

81.0

L

61

3.20

86.0

M

62

3.40

91.0

N

63

3.70

99.0

0

64

4.00

107.0

P

65

4.95

116.0

Q

66

4.70

125.0

R

67

5.00

133.0

S

68

5.50

146.0

T

69

6.30

167.0

U

71

8.85

199.0

V

78

10.70

270.0

W

85

12.90

OUT OF RANGE

X

95

17.60

OUT OF RANGE

Y

100

22.70

OUT OF RANGE

Z

105

27.00

OUT OF RANGE

Z-1

114

36.20

OUT OF RANGE

Z-2

126

46.30

OUT OF RANGE

Z-3

129

63.40

OUT OF RANGE

Z-4

OUT OF RANGE

98.50

OUT OF RANGE

Z-5

OUT OF RANGE

148.00

OUT OF RANGE

Z-6

OUT OF RANGE

 

THIS IS AN INDICATOR OF THE USEFUL RANGES FOR INSTUMENTS COMMONLY USED IN THE PAINT INDUSTRY FOR DAY TO DAY WORK.

IT SHOULD BE OBVIOUS FROM THIS THAT THE ACCURACY FALLS AWAY AT THE ENDS OF THE RANGES AND EACH METHOD HAS ITS LIMITATIONS. 

BASIC DESIGN OF A ROTATIONAL VISCOMETER