MODIFIED KOPPERS VACUUM VISCOMETER (REVERSED FLOW)

ASTM D2171

The Modified Koppers Vacuum Viscometer measures the viscosity of highly viscous materials according to ASTM D2171. Minimum sample volume is 2 mL. Minimum bath depth is 178 mm (7 in). Viscometers are provided with a certificate of calibration and instruction sheet. Holders are sold separately.

Koppers Modified Vacuum Viscometers

CATALOG NUMBER SIZE APPROXIMATE CONSTANT (POISE/SEC AT 300 MM HG) VISCOSITY RANGE (POISE)
BULB B BULB C BULB D LOW HIGH
9724-W50 25 2.0  1.0 0.7 42 800
9724-W55 50 8.0 4.0 3.0 180 3200
9724-W60 100 32 16 10 600 12800
9724-W65 200 128 64 40 2400 52000
9724-W70 400 500 250 160 9600 200000