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ASTM D4662-98
Standard Test Methods for Polyurethane Raw Materials Determination of Acid and Alkalinity Numbers of Polyols
STANDARD published on 10.11.1998
The information about the standard:
Designation standards: ASTM D4662-98
Note: WITHDRAWN
Publication date standards: 10.11.1998
SKU: NS-28080
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 D4662-98 :
Keywords:
Acidity, alkalinity, pH-plast, Acid number, Batch-to-batch uniformity, Correction factors, Hydroxyl numbers, Polyols, Reactivity, Titration, Urethanes-polyurethane raw materials (polyols), polyurethane raw materials: acid/alkalinity numbers of polyols, test, ICS Number Code 83.040.30 (Auxiliary materials and additives for plast), 83.080.20 (Thermoplastic materials)
Additional information
| 1. Scope | ||||
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1.1 These test methods measure the acidic and basic constituents in polyols and other materials that are soluble in mixtures of toluene and ethyl alcohol. These test methods do not apply to polyethers. (See Note 1.) 1.2 This standard does not purport to address all of the safety problems, 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. |
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| 2. Referenced Documents | ||||
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