Astm D2196 Pdf Free Download [BETTER]
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How to Download Astm D2196 Pdf for Free
Astm D2196 is a standard test method for rheological properties of non-Newtonian materials by rotational viscometer. It is used to measure the apparent viscosity, shear thinning and thixotropic behavior of coatings and related materials. Astm D2196 is issued by the American Society for Testing and Materials (ASTM) International, a global organization that develops and publishes voluntary consensus standards for various materials, products, systems and services.
If you are looking for a free download of Astm D2196 Pdf, you may be interested in the following sources:
ASTM International: This is the official website of ASTM International, where you can purchase the latest version of Astm D2196 (2020) as a PDF file for $58. You can also access your content online if you have an ASTM Compass subscription. However, this website does not offer a free download of Astm D2196 Pdf.
Antpedia: This is a website that provides free access to various standards and specifications in PDF format. You can download Astm D2196 (2005) as a PDF file from this website without any registration or payment. However, this website does not guarantee the accuracy or completeness of the content, and you should use it at your own risk.
Scribd: This is a website that allows users to upload and share documents online. You can find Astm D2196 (2010) as a PDF file on this website, uploaded by a user named Bryan de Barros. You can view or download this file for free if you sign up for a 30-day trial of Scribd. However, this website does not verify the authenticity or quality of the content, and you should use it at your own discretion.
In conclusion, Astm D2196 Pdf is a useful document for testing the rheological properties of non-Newtonian materials by rotational viscometer. However, it is not easy to find a free download of this document online. You may have to pay for the latest version from ASTM International, or use alternative sources that may have older versions or questionable reliability.
If you want to learn how to test the rheological properties of non-Newtonian materials by rotational viscometer, you may follow these steps:
Prepare the material sample according to the instructions given in Astm D2196. Make sure the sample is homogeneous and free of air bubbles. Transfer the sample to a 600 mL low form Griffin beaker and cover it with a watch glass to prevent evaporation.
Select a suitable spindle and rotational speed for the material according to the viscosity range and shear rate. Refer to Table 1 and Table 2 in Astm D2196 for guidance. Attach the spindle to the viscometer and lower it into the beaker until it is immersed in the sample.
Turn on the viscometer and set it to the desired rotational speed. Allow the viscometer to run until the digital reading has stabilized. The digital viscometer gives a direct reading in centipoises (mPaÂs), which is the apparent viscosity of the material at that speed.
Record the apparent viscosity and repeat the measurement at different rotational speeds as required by the test method. For Test Method A, measure the apparent viscosity at one or more speeds. For Test Method B, measure the apparent viscosity at increasing and decreasing speeds. For Test Method C, measure the apparent viscosity before and after applying high shear with a high-speed mixer.
Calculate the shear rate for each rotational speed using Equation 1 in Astm D2196. Plot the apparent viscosity versus shear rate on a log-log scale to obtain a rheogram of the material. Analyze the rheogram to determine the shear thinning and thixotropic properties of the material.
By following these steps, you can test the rheological properties of non-Newtonian materials by rotational viscometer according to Astm D2196. You can use this information to compare different materials or evaluate their performance under various conditions. 248dff8e21