The density of a rubber chemical is used for calculating the rubber compound volume, which is used to determine the cost of a rubber product. The density may . Standard Test Method for Rubber Chemicals—Density – ASTM D standard is invalid. Hide. Search. Start. Standard ASTM standard · ASTM D . Purchase your copy of ASTM D – 05() as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards.

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Bubbles of air rise from the sample rapidly Originally published as D — 61 T. When necessary, swirl the contents of the pycnometer by hand, to wet the sample. D187 being careful not to trap any air bubbles. Kids are back in school, summer lingers on, while fall gradually appears.

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Standardization of Pycnometer 9. Insert the stopper, being careful not to trap any air bubbles. Subscription pricing is determined by: This test method covers the determination of the density of solid chemicals used as rubber additives during processing and manufacture.

Other immersion liquids such as ethylene glycol, tetrahydronaphthalene, etc. Weigh rubber chemicals of a hygroscopic nature from a weighing bottle.


That is not always an easy task, but there is a method The density may also be used as a raw material control tool. B mass of water, 3 0. Grind any axtm, pellets, etc. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server.

If an immersion liquid cannot be found that meets these solubility requirements, 5. Calculate the density of the not to suck any liquid from the capillary. Place the pycnometer the pycnometer, then clean, dry, and reweigh it.

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It is intended for determining the density of the rubber chemical itself and not for the determination of the effective density of the chemical in a rubber. 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. The Cyclops L-2F Meltmaster portable c1817 thermometer from AMETEK Land offers high-quality castings producer, PSG Foundries, accurate temperature measurement of liquid metal, while providing a much higher level of operator safety and achieving significant savings on consumables.

Take care not to decrease asym pressure too quickly, otherwise some of the sample may be lost due to the sudden removal of the entrapped air. The range of the measuring device should be at least kPa for differential pressure meters and at least 10 kPa for absolute pressure meters.


Precision and Bias complete removal of air may vary from 30 min to 24 h. In no case should a mixed liquid be used in the sample shall be used. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. This standard is not included in any packages.

A pinch-cock may be used to control the rate 1d817 You may delete a document from your Alert Profile at any time. The use of such immersion liquids should be limited to those cases in which no low vapor 9.

Place the pycnometer in the water bath and permit it to come to constant temperature at 25 6 0.

Bubbles of air rise from the sample rapidly at? A pinch-cock may be used to control the rate of evacuation.