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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The method requires that three successive flow times are obtained within 0. The test method requires a 0. Equipment used at Plastics Technology Laboratories, Inc: Highly crystalline forms of PET that are not soluble in this solvent mixture will require a different procedure.

Commonly a sample size of mg. The ratio of the viscosity asstm the solution to the viscosity of the solvent. The property of resistance of flow exhibited within the body of a material. However, if you do not accept cookies, you may not be able to use some portions of our site. Dilute Solution Viscosity is used as an indication of the molecular weight of polymers. 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.

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The ratio of the difference between zstm viscosities of solution and solvent to the viscosity of the solvent. It must be controlled so that the processability and end properties of the resin remain in a desired range.

Specific hazards statements are given in Section 8. Information collection and use While using our site, we may ask you to provide us with certain personally identifiable information that can be used to contact or identify you. The ratio of the natural logarithm of the relative viscosity to the mass concentration of the polymer.


Inherent / Intrinsic / Relative Viscosity ASTM D D D

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Your continued use of the service after we post any modifications to the privacy policy on this page will constitute your acknowledgment of the modifications and your consent to abide and be bound by the modified privacy policy. Due to copyright restrictions, we are not able to provide copies of standards. You have no items to compare. You can instruct your browser to refuse all cookies or to e4603 when a cookie is being sent.

Solvent and solution flow times are measured at 30 deg. The liquid is then brought above the upper graduation mark on the viscometer. Personally identifiable information may include, but is not limited to your name. Link to Active Ast, link will always route to the current Active version of the standard.

ISO also uses Type 1C Ubbelohde viscometer, rather than the 1B, and reports viscosity number, rather than inherent viscosity.

Read more about the individual cookies we use and how to recognise them by clicking Cookie Policy. The ratio of the relative viscosity increment to the mass concentration of the polymer. Log data Like many other site operators, we collect information that your browser sends whenever you visit our site. If you do not agree you should not continue to use this website. C with a programmable timer.

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

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ASTM D4603 – 18

The solution and viscometer are placed in a constant temperature water bath. Dilute Solution Viscosity of Polymers. Standards can be obtained from appropriate standards authorities. Historical Version s – view previous versions of standard. The RPV-2 software automatically calculates the Intrinsic Viscosity from each single determination using the Billmeyer equation.

It is used for polymers that dissolve completely without chemical reaction or degradation and can d4630 an excellent determination of lot-to-lot consistency or be used to compare molded parts to original resin for determinations of degradation from molding.

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PET – Intrinsic Viscosity – ASTM D4603

Caution should be taken when handling mercury and mercury containing products. The values given in parentheses are for information only. JavaScript seems to be disabled in your browser. Thermal equilibrium is obtained within the solution. Cookies Cookies are files with small amount of data, which many include an anonymous unique identifier.

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