ASTM D4603 PDF
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
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. Standards can be obtained from appropriate standards authorities. My Account Log In. The ratio of the natural logarithm of the relative viscosity to the mass concentration of the polymer.
If the material is filled, it is important to specify percent filler. The property of resistance of flow exhibited within the body of a material. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Dilute Solution Viscosity of Polymers. A cookie is a small file of letters and numbers that we put on your computer if you agree. Commonly a sample size of mg.
It must be controlled so that the processability and end properties of the resin remain in a desired range. The limiting value of the reduced viscosity or the inherent viscosity at infinite dilution of the polymer. Highly crystalline forms of PET that are not soluble in this solvent mixture will require a different procedure. C using the same 1B size of suspended-level Ubbelohde type viscometer for both measurements.
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 is used as an indication of the molecular weight of polymers.
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Inherent / Intrinsic / Relative Viscosity ASTM D D D
ASTM D4603 – 18
Specific hazards statements are given in Section 8. You have no items to compare.
Thermal equilibrium is obtained within the solution.