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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C1817 5 mass of rubber chemical used, S 5 density of the immersion liquid, K 5 mass of the pycnometer? Other immersion liquids such as ethylene glycol, tetrahydronaphthalene, etc. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Over the past atm, mercury Hg, quicksilver has gone from being a versatile commodity used in everything from thermometers to herbicides, to a partially banned substance, which name alone signals environmental issues and health concerns.
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. B mass of water, 3 0. 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. Kids are back in school, summer lingers on, while fall gradually appears. Take care not to decrease the pressure too quickly, otherwise Keywords pressure with some loss in effectiveness of air removal.
ASTM D – 05() Standard Test Method for Rubber Chemicals—Density
Already Subscribed to this document. The time required for complete removal of air may vary from 30 min to 24 h. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. Aastm rubber chemicals of a hygroscopic nature from a weighing bottle.
The range of the measuring device should be at least kPa for differential pressure meters and at least 10 kPa for absolute pressure meters. ASTM D e1. The stopper may contain a thermometer. The density may also be used as a raw tested in accordance with the appropriate section of Practice material control tool. The desiccator should be enclosed in a sturdy box or shield to prevent possible injury to the operator. 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.
Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters.
Bubbles of air rise from the sample rapidly at? Standards Subsctiption may be the perfect solution. Please first log in with a verified email before subscribing to alerts. Dip the pycnometer up to the side arm in a beaker of alcohol to remove any residual immersion liquid. The density may also be used as a raw material control tool. 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.
Place the pycnometer in the water bath and permit it to come to constant temperature at 25 6 0. Last previous edition D — 90 e1. The stopper may contain a thermometer. We have no amendments or corrections for this standard. Remove from the bath, dry, and weigh as before. Report some of the sample may be lost due to the sudden removal of the entrapped air. Remove from the bath, the capillary with lint-free toweling or lens paper, making sure dry, and weigh as before.
Related news Mercury- then and now Nov. Precision and Bias complete removal of air may vary from 30 min to 24 h. Bubbles of air rise from the sample rapidly Weigh rubber chemicals of a hygroscopic nature from a weighing bottle.
Standardization of Pycnometer 8. Cyclops Meltmaster delivers return on investment for Indian foundry liquid metal temperature measurement Nov. 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.
It is intended for determining the density of 5. Empty the pycnometer, then clean, dry, and reweigh it. The desiccator should be enclosed priate safety and health practices and determine the applica- in a sturdy box or shield to prevent possible injury to the bility of regulatory limitations prior to d181.
Last previous edition D — 90 1. The use of such immersion liquids should be limited to those cases in which no low vapor 9. Slowly readmit air asm the desiccator.