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Significance and Use
The suitability of a dispersion resin for any given application process is dependent upon its viscosity characteristics.
The viscosity defines the flow behavior of a plastisol or organosol under low shear. This viscosity relates to the conditions encountered in pouring, casting, molding, and dipping processes.
1.1 This test method covers the measurement of plastisol and organosol viscosity at low shear rates.
1.2 Apparent viscosity at high shear rates is covered in Test Method D1823.
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.4 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 and health practices and determine the applicability of regulatory limitations prior to use.
Note 1—This test method resembles ISO 3219-1977 in title only. The content is significantly different.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1755 Specification for Poly(Vinyl Chloride) Resins
D1823 Test Method for Apparent Viscosity of Plastisols and Organosols at High Shear Rates by Extrusion Viscometer
E1 Specification for ASTM Liquid-in-Glass Thermometers
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ISO StandardISO3219-1977: Polymers in the Liquid, Emulsified, or Dispersed State--Determination of Viscosity With a Rotational Viscometer Working at a Defined Shear Rate Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
ICS Number Code 83.080.01 (Plastics in general)
UNSPSC Code 12352100(Organic derivatives and substituted compounds)