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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The test data in Table 1 should not be rigorously applied to acceptance or rejection of these materials, as those data are speci?

ASTM.D Determination of Gel content and swell ratio of crosslinked ethylene plastics_百度文库

The inch-pound units in brackets are for information only. For each material, all the samples were prepared at one source, but the individual specimens were prepared at the laboratories that tested them. NOTE 11—Derivation of calculations: For Size 2 AWG and smaller, the dimensions should be proportionately less. The outer sections of this strip are discarded, thus leaving only a sample of the material closest to the conductor or shielded surface.

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Reagents and Materials For referee tests, extraction time is to be as speci? They have been particularly useful for electrical insulations since specimens may be selected from those portions of the insulation most susceptible to insufficient crosslinking. Any test specimen preparation, conditioning, dimensions, or testing parameters, or a combination thereof, covered in the materials speci? Increasing this period to 72 h had no signi?

C—Area most susceptible to insufficient crosslinking. Stopper the weighing bottle. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Specific precautionary statements are given in Sections 69and Your comments will receive careful consideration at a meeting of the responsible technical committee,1 which you may attend.

ASTM D2765 – 16

In the presence of xylene, polyethylene in the density range from 0. NOTE 6—If the fraction of? The inch-pound units in parentheses are for information only. Calculation See Note 11 for Derivation D — Last previous edition approved in as D — A number in parentheses indicates the year of last reapproval.

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Close the pouch by folding over the open side and stapling it to form a cage. Weigh x2765 pouch W1. 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. Cool cold trap with dry ice and acetone to catch and condense xylene vapor. In the event of excessive inhalation, seek fresh clean air. The extraction thimble assembly rests upon the mm portion of the thimble ast, cut off, the latter inserted into the modi?

For each material, all the samples were prepared at one source, but the individual specimens were prepared at the laboratory that tested them. NOTE 5—If the modi? The test specimen should not be squeezed with the forceps.

April 1, 1 Reapproved without revision. Heat in vacuum until xylene is all removed, as determined by repeated weighing. Such extraction test methods are described herein.