ALTANA Z7-Z10 Bubble Viscometers - Manual (Page 4)

Directions for Using the Gardner Bubble Viscometer
having the same approximate diameter with a
tolerance of ± 0.150 mm. Grade “B” are used by
many manufacturer for general factory control
tests.
This viscometer meets the requirements of ASTM
D 154, D 555, D 1131, D 1545, D 1725, FTMS
14la-Method 4271, and AOCS Method Ka6.
Approximate Viscosity in Stokes at 25º C (77º F)
A5 0.051
A4 0.071
A3 0.140
A2 0.213
A1 0.310
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