ASTM D3591-22

Standard Test Method for Determining Logarithmic Viscosity Number of Poly(Vinyl Chloride) (PVC) in Formulated Compounds

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STANDARD published on 1.9.2022

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The information about the standard:

Designation standards: ASTM D3591-22
Publication date standards: 1.9.2022
SKU: NS-1083915
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM

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The category - similar standards:

Thermoplastic materials

Annotation of standard text ASTM D3591-22 :

Keywords:

formulations, logarithmic viscosity number, poly(vinyl chloride), PVC,, ICS Number Code 83.080.20 (Thermoplastic materials)

Additional information

Significance and Use

5.1?The logarithmic viscosity number provides information on the effect of compounding or processing of PVC.

5.2?Exposure of PVC compositions to shear or to high temperatures can result in a change in the logarithmic viscosity number of the resin.

1. Scope

1.1?This test method covers the determination of the logarithmic viscosity number of poly(vinyl chloride) (PVC) homopolymers after compounding or processing.

1.2?It is the basic assumption of this technique that the formulation of the compounded resin is known and that any additives present can be separated from the resin by extraction with diethyl ether. This is necessary to permit adjustment of the amount of sample used in the test to give a resin concentration in cyclohexanone of 0.2 ? 0.002 g/100 mL.

1.3?This standard does not purport to address all of the safety concerns, if any, associated with its use. 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. Note 1:?This test method and ISO 1628-2 are not equivalent.

1.4?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

D2124-99e1	Standard Test Method for Analysis of Components in Poly(Vinyl Chloride) Compounds Using an Infrared Spectrophotometric Technique
E1-14(2020)	Standard Specification for ASTM Liquid-in-Glass Thermometers
D446-12(2017)	Standard Specifications and Operating Instructions for Glass Capillary Kinematic Viscometers
D445-23	Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
D1243-22e1	Standard Test Method for Dilute Solution Viscosity of Vinyl Chloride Polymers (Includes all amendments and changes 10/17/2023).
1628-2	Plastics--Determination of Viscosity Number and Limiting Viscosity Number--Part 2: Poly (Vinyl Chloride) Resins Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
IEEE/ASTM SI-10	Standard for the Use of International System of Units (SI)
E691-23	Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

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