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