ASTM D STANDARD TEST METHODS FOR DETERMINATION OF GEL CONTENT AND SWELL RATIO OF CROSSLINKED ETHYLENE PLASTICS. Differential Scanning. Calorimetry (ASTM. D). Dilute Solution. Viscometry ( ASTM. D, F). Fatigue (ASTM E). Swelling Analysis. (ASTM D). Tue, 30 Oct GMT astm d standard test methods pdf – Test. Method B differs from the referee test method only in sample preparation; that is.
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Active view current version of standard. L—mesh wire cage containing the specimen. This sample then is cut or diced into pieces measuring approximately 6 by 6 mm asfm Excessive inhalation of the vapors may cause dizziness or headache, or both.
ASTM D2765 – 16
Test specimens that break up during the immersion period usually very low degrees of crosslinking can be caught on a mesh or? For one or two determinations at one time, a 2 mL? A superscript epsilon e indicates an editorial change since the last revision or reapproval.
It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applica- v2765 These test methods are under the jurisdiction of ASTM Committee D20 on Plastics and are the direct responsibility of Subcommittee D Extract asgm specimen for 6 h in decahydronaphthalene or for 12 h in xylenes.
Summary of Test Methods 4.
NOTE 5—If the modi? It is not equivalent to ISO in any other measurement or section. Low swell ratios indicate a more tightly bound structure. It is the responsibility of the user of this standard to establish appropriate d7265 and health practices and determine the applicability of regulatory limitations prior to use.
It is asstm responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Your comments will receive careful consideration at a meeting of the responsible technical committee,1 which you may attend. Handle the swollen test specimen gently and carefully.
ASTM.D Determination of Gel content and swell ratio of crosslinked ethylene plastics_百度文库
If asstm is done, the time of extraction must be reported. Reagents and Materials For referee tests, extraction time is to be as speci? NOTE 8—The immersion period speci? Formulations containing low-density polyethylene usually require 24 h and those containing high-density polyethylene require 16 h to reach weight equilibrium.
If the compound absorbs moisture, cool the specimen in a desiccator before weighing. If necessary, they may be cut into two or three pieces crosswise so that they can be completely submerged in the solvent. Determination of the g Cool and d7265 W4.
Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
April 1, 1 Reapproved without revision. For Size 2 AWG and smaller, the dimensions should be proportionately less. Ashm this sieved material over a mesh sieve and reject any material that passes through. The test strip used for extraction should asym taken next to the conductor only when strand shielding tapes or compounds are not employed.
The extraction thimble assembly rests upon the mm portion of the thimble previously cut off, the latter inserted into the modi? Last previous edition approved in as D — NOTE 6—If asmt fraction of? Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of f2765 of such rights, are entirely their own responsibility.
The surfaces should not be subjected to excess blowing too long or more than once on each side ; otherwise more than the surface xylene will be removed. 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. Wd density of solvent at the immersion temperature volume of solvent in gel Wg?