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1.1 This practice outlines a procedure for preparing gelled vehicle samples using a microwave oven.

1.2 The test samples can be used for characterizing the gelability or reactivity of resins, gelling agents, and vehicles used in the manufacture of oil based printing inks, or both.

1.3 Evaluation of the gelled vehicles may, depending upon preference, be either visual or instrumental.

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5 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.

5.1 This practice provides a means of preparing a number of gel vehicle samples with minimum use of materials and time. It provides a means of quickly characterizing and comparing the gelability or reactivity of resins, vehicles, and gelling agents.