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ASTM D4878-08
Standard Test Methods for Polyurethane Raw Materials: Determination of Viscosity of Polyols
STANDARD published on 1.11.2008
The information about the standard:
Designation standards: ASTM D4878-08
Note: WITHDRAWN
Publication date standards: 1.11.2008
SKU: NS-28993
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM D4878-08 :
Keywords:
Brookfield, Cannon-Fenske, polyols, polyurethane raw materials, viscosity, Brookfield viscometer, Cannon-Fonske viscosity, Liquids, Polyurethane raw materials--polyols, Viscosity--plastics, ICS Number Code 83.040.30 (Auxiliary materials and additives for plastics), 83.080.20 (Thermoplastic materials)
Additional information
| Significance and Use | ||||||||||||
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These test methods are suitable for research or as quality control or specification tests. Viscosity measures the resistance of a fluid to uniformly continuous flow without turbulence or other forces. |
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| 1. Scope | ||||||||||||
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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 or at 50°C. Test Method A also applies to more viscous samples that are soluble in n-butyl acetate. Test Method B is simply a reference to a general procedure for kinematic viscosity, D 445. (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—There is no equivalent ISO standard for Test Method A although ISO 3219 is similar. Test Method B is equivalent to ISO 3104. |
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| 2. Referenced Documents | ||||||||||||
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