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

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Thermal equilibrium is obtained within the solution. The property of resistance of flow exhibited within the body of a material.

ASTM D4603 – 18

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The ratio of the natural logarithm of the relative viscosity to the mass concentration of the polymer. Caution should be taken when handling mercury and mercury containing products. The test method requires a 0. 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.


The liquid is then brought above the upper graduation mark on the viscometer. Changes to this privacy policy This privacy policy is effective as of 11th April and will remain in effect except with respect to any changes in its provisions in the future, which will be in effect immediately after being posted on this page.

The solution and viscometer are asttm in a constant temperature water bath. Using these integrated asfm ensures full integrity of data from end to end in the measurement process. Solvent and solution flow times are measured at 30 deg.

PET – Intrinsic Viscosity – ASTM D4603

Satm page informs you of our policies regarding the collection, use and disclosure of personal information we receive from users of the site. The ratio of the relative viscosity increment to the mass concentration of the polymer. The ratio of the viscosity of the solution d403 the viscosity of the solvent. Highly crystalline forms of PET that are not soluble in this solvent mixture will require a different procedure. You must have JavaScript enabled in your browser to e4603 the functionality of this website.

Dissolution is carried out using a reaction block with stirring and heating at deg. Commonly a sample size of mg. Our website uses cookies. Due to copyright restrictions, we are not able to provide copies of standards. While we strive to use commercially acceptable means to protect your personal information, we cannot guarantee its absolute security.

Inherent / Intrinsic / Relative Viscosity ASTM D D D

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We reserve the right to update or change our privacy policy at any time and you should check this privacy policy periodically. The limiting value of the reduced viscosity or the inherent viscosity at infinite dilution of the polymer. You have no items to compare. It is used for polymers that dissolve completely without chemical reaction or degradation and can provide an excellent determination of lot-to-lot consistency or be used to compare molded parts to original resin for determinations of degradation from molding.


The time for the solution to flow from the upper to lower graduation marks is recorded. Historical Version s – view previous versions of standard. C with a programmable timer.

C using the same 1B size of suspended-level Ubbelohde type viscometer for both measurements. The method requires that three successive flow times are obtained within dd4603. Equipment used at Plastics Technology Laboratories, Inc: Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ISO also uses Type 1C Ubbelohde viscometer, rather than the 1B, and reports viscosity number, rather than inherent viscosity. My Account Log In. Show 5 10 15 20 25 per page. It must be controlled so that the processability and awtm properties of the resin remain in a desired range.

Log data Like many other site operators, we collect information that your browser sends whenever you visit our site. Link to Active This link will always route to the current Active version of the standard. Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. Specific hazards statements are given in Section 8.

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