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Standard Test Methods for Polyurethane Raw Materials: Determination of Viscosity of Polyols
STANDARD published on 1.5.2015
Designation standards: ASTM D4878-15
Note: WITHDRAWN
Publication date standards: 1.5.2015
SKU: NS-609269
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
Auxiliary materials and additives for plasticsThermoplastic materials
Keywords:
dynamic viscosity, kinematic viscosity, polyols, polyurethane raw materials, rotational viscosity,, ICS Number Code 83.040.30 (Auxiliary materials and additives for plastics),83.080.20 (Thermoplastic materials)
Significance and Use | ||||||||||||
4.1 These test methods are suitable for research or as quality control or specification tests. 4.2 Viscosity measures the resistance of a fluid to uniformly continuous flow without turbulence or other forces. |
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1. Scope | ||||||||||||
1.1 These test methods (A and B) determine the viscosity of polyols in the range from 10 to 100 000 mPa·s(cP) at 25°C. Test Method A is a rotational procedure for determining dynamic viscosity. Test Method B is a general procedure for kinematic viscosity of transparent polyols. (See Note 1.) 1.2 The values stated in SI units are to be regarded as the standard. Other equivalent units are provided because of current common usage. 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 and health practices and determine the applicability of regulatory limitations prior to use. Note 1: Test Method A is equivalent to ISO 3219. Test Method B
is equivalent to ISO 3104.
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2. Referenced Documents | ||||||||||||
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