ASTM D1084-08 PDF

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Standard Test Methods for Viscosity of Adhesives1 This standard is issued under the fixed designation D; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.

This standard has been approved for use by agencies of the U. Department of Defense. Scope 2. Emulsions or Dispersions — Determination of Apparent 1. Terminology history of the adhesive. The values in parentheses are for information only. Terminology D It is the shearing strain see Newtonian behavior and thixotropy.

The 2. Referenced Documents viscosity of a liquid is a measure of the internal friction of the liquid in motion. The unit of dynamic viscosity is the poise, 2. Significance and Use eter D Terminology of Adhesives 4. Adhesives and are the direct responsibility of Subcommittee D Current edition approved Feb. Published February Originally for determining the viscosity of adhesives that have or ap- approved in Last previous edition approved in as D — 97 DOI: United States.

With the outlet of the cup closed by means for determining the viscosity of materials that have an equiva- of the finger, pour the sample into the cup until it is filled to lent viscosity no greater than approximately cP and is overflowing.

Strike off the excess with a straightedge, and then limited to materials that have or approach Newtonian flow remove the finger from over the outlet and allow the sample to characteristics. Apparatus cylinder by a stop watch and record as the viscosity of the 5. Report 5. First Cup 0. The diameter of the Orifice pressed in the cup shall be stamped on the cup. Then mount the consistency cup 8. Procedure in the clamp provided for the purpose and place the receiving 8.

Apparatus Apparatus 9. Nonstandard containers may be used Second cup 0. Fifth cup 0. Procedure The number of the cup shall be stamped on a They are not intended for use temperature throughout the test. Protect adhesives containing in converting centipoises to Zahn seconds. If Orifice Size, in. Report this in Set the revolution counter at 10 Procedure revolutions below the zero mark. Use a falling weight of such magnitude that a minimum time of 20 s is required for Choose the weight from the series 50, , preferably in a constant-temperature room, and maintain the , , and g.

Fasten the paddle securely on the shaft, sample uniformly at this standard temperature throughout the place the container on the platform, and raise until the surface test. Other temperatures of test are optional. Protect adhesives of the adhesive just reaches the mark on the stem of the paddle. If special conditioning methods are necessary, such as the use of a circulating water bath, they shall be specified in Note the time for Make a minimum of sition by means of a small ring at the end of the handle and three determinations.

Lift the viscometer out of the sample Note 1. Determine by means Report of a stop watch the number of seconds from the time the top Record the temperature of the of test, date of manufacture, etc.

Unless build-up of adhesive elapsed between various operations used in the preparation of on the side of the cup occurs, the time of removal should be about 1 s.

Report All dimensions are in mm. Keywords Precision and Bias Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn.

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.

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D1084-08 Standard Test Methods for Viscosity of Adhesives

Standard Test Methods for Viscosity of Adhesives1 This standard is issued under the fixed designation D; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. This standard has been approved for use by agencies of the U. Department of Defense. Scope 2. Emulsions or Dispersions — Determination of Apparent 1.

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