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Scope

1.1 This test method covers the measurement of the apparent viscosity of shear-rate-dependent adhesives.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Significance and Use

The principle of measurement is based upon a reversible isothermal change in apparent viscosity with change in rate of shear.

Measurement is performed with a spindle, disk, T-bar, or coaxial cylinder rotational viscometer under standardized conditions with rigid control of the time intervals of measurement. Readings are obtained on the viscometer dial scale at the end of 1 min for each rotational speed. Changes from the lowest speed to the highest speed, and return to the lowest speed, are made without stopping the instrument.

Keywords

apparent viscosity; ICS Number Code 83.180 (Adhesives)

To find similar documents by ASTM Volume:

15.06 (Adhesives)

To find similar documents by classification:

83.180 (Adhesives Including adhesive tapes Adhesive tapes for electrical insulation purposes, see 29.035.20)

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