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Standard Test Methods for Powder-Mix Time of Poly(Vinyl Chloride) (PVC) Resins Using a Torque Rheometer
Name übersetzen
NORM herausgegeben am 1.12.2020
Bezeichnung normen: ASTM D2396-20
Ausgabedatum normen: 1.12.2020
SKU: NS-1013059
Zahl der Seiten: 7
Gewicht ca.: 21 g (0.05 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
poly(vinyl chloride), powder-mix time, torque rheometer,, ICS Number Code 83.080.10 (Thermosetting materials)
Significance and Use | ||||
5.1?The ability of PVC granules to accept a plasticizer and become a dry free-flowing powder is related to the internal pore structure of the resin, resin temperature, plasticizer temperature, and the plasticizer used. By choosing an applicable plasticizer and maintaining a uniform temperature for the resin and plasticizer, it is possible to classify resins by how rapidly they absorb plasticizer. Resin suitability for a specific intensive mixing operation can be ascertained using these test methods. |
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1. Scope | ||||
1.1?These test methods cover the determination of the powder-mix time of a general-purpose poly(vinyl chloride) (PVC) resin. 1.2?The values stated in SI units are to be regarded as standard. 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:?ISO 4574-2019 is covering the primary subject of this
ASTM method.
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. |
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2. Referenced Documents | ||||
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