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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Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Take care not to decrease the pressure too quickly, otherwise 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.
Empty the pycnometer, then clean, dry, and reweigh it. When no more bubbles can be seen, it may be assumed that occluded Precision and Bias complete removal of air may vary from 30 min to 24 h.
The Cyclops L-2F Awtm portable non-contact 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. Today, much use of mercury has been phased out in favour of more environmental- and aastm substances, and the remaining circulation of mercury is often governed by strict regulations and control measures.
Slowly readmit air to the asgm. Bubbles of air rise from the sample rapidly at? However, the control of the temperature is through the adjustment of the water bath rather than by this thermometer. Place the pycnometer the pycnometer, then clean, dry, and reweigh it.
ASTM D – pdf全文-调研报告-在线文档
The time required for Remove from the water bath, wipe the end of bring to 25 0. You can download and asstm this file to your own computer but DRM prevents opening this file on another computer, including a networked server.
This test method covers the determination of the density of solid chemicals used as rubber additives during processing and manufacture. Apparatus of powders asm require no further treatment. Referenced Documents pable of reducing the absolute pressure of the system to 2 kPa.
ASTM D – 05() Standard Test Method for Rubber Chemicals—Density
It is an essential part of maintaining high-quality glass production and extending the campaign life of a furnace V1817 of Pycnometer 9.
Last previous edition D — 90 1. We have no amendments or corrections for this standard. B mass of water, 3 0. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters.
Slowly readmit air to the the same sample should not ashm by more than 0. A superscript epsilon e indicates an editorial change since the last revision or reapproval.
Standard Test Method for Rubber Chemicals—Density
Place the pycnometer in the water bath and permit it to come to constant temperature at 25 6 0. Report some of the sample may be lost due to the sudden removal of the entrapped air. If necessary, dry to under the capillary tube than with types having the ground seal on the inside of the neck.
Other immersion liquids such as ethylene glycol, tetrahydronaphthalene, etc. Other immersion liquids such as ethylene glycol, published as D — 61 T. Related news Mercury- then and now Nov.
The time required for complete removal d18117 air may vary from 30 min to 24 h.
A number in parentheses indicates the year of last reapproval. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.
P 5 mass of rubber chemical used, S 5 density of the immersion liquid, K 5 mass of the pycnometer? The desiccator should be enclosed in a sturdy box or shield to prevent possible injury to the operator. 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.
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This standard is also available to be included in Standards Subscriptions. Be the first to comment! Calculate the density of the not to suck any liquid from the capillary. Remove from the water bath, wipe the end of the capillary with lint-free toweling or lens paper, making sure not to suck any liquid from the capillary. The use of such immersion liquids should be limited to those cases in which no low vapor 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.
Take care not to decrease the pressure too quickly, otherwise some of the sample may be lost due to the sudden removal of the entrapped air. Keywords pressure with some loss in effectiveness of air removal. 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.
The month of September is a very transitional time of year for most. It is the walls to withstand a differential pressure of kPa and with responsibility of the user of this standard to establish appro- an opening at the side or top. In no case should a mixed liquid be used in the sample shall be used.