ASTM D Standard Test Method for Determining Inherent Viscosity of Poly( Ethylene Terephthalate) (PET) by Glass Capillary Viscometer. This standard is issued under the fixed designation D ; the number specified in this ASTM test method is one of the options in the ISO method. ISO also. Find the most up-to-date version of ASTM D at Engineering

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You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent. The c4603 of the relative viscosity increment to the mass concentration of the polymer. The property of resistance of flow exhibited within the body asrm a material. To request a quote for this test or others Click Here. C with a programmable timer. Thermal equilibrium is obtained within the solution. The liquid is then brought above the upper graduation mark on the viscometer.

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ASTM D4603 – 18

Dilute Solution Viscosity is used as an indication of the molecular weight of polymers. The wstm of the difference between the viscosities of solution and solvent to the viscosity of the solvent.

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The method requires that three successive flow times are obtained within 0. Like many sites, we use cookies to collect information. These cookies allow us to distinguish you from other users of our website, which helps us to provide you with a good experience when you browse our website and also allows us to improve our site.

Inherent / Intrinsic / Relative Viscosity ASTM D D D

The time for the solution to flow from the upper to lower graduation marks is recorded. Historical Version s – view previous versions of standard. This page informs you of our policies regarding the collection, use and disclosure of personal information we receive from users of the site. Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. The limiting value of the reduced viscosity or the inherent viscosity at infinite dilution of the polymer.

Dilute Solution Viscosity of Polymers

The ratio of the natural logarithm of the relative viscosity to the mass concentration of the polymer. The test method requires a 0. My Account Log In. By using the site, you agree to the collection and use of information in accordance with this policy.

The solution and viscometer are placed in a constant temperature water bath. However, if you do not accept cookies, you may not be able to use some portions of our site. If the material is filled, it is important to specify percent filler.


Highly crystalline forms of PET that are not soluble in this solvent mixture will require a different procedure. Using these integrated options ensures full integrity of data from end to end in the measurement process.

It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

Dilute Solution Viscosity of Polymers. Cookies are sent to your browser from a asttm site and stored on the hard drive of your computer.

PET – Intrinsic Viscosity – ASTM D – RPV-2 Polymer Viscometer – Automated Viscometers

Cookies Cookies are files with small amount of data, which many include an anonymous unique identifier. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

You have aastm items to sstm. The polymer is first weighed and then dissolved in an appropriate solvent. C using the same 1B size of suspended-level Ubbelohde type viscometer for both measurements. It must be controlled so that the processability and end properties of the resin remain in a desired range.