ASTM-D6099 2024

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D6099-24 Standard Test Method for Polyurethane Raw Materials: Determination of Acidity in Moderate to High Acidity Aromatic Isocyanates

Published By	Publication Date	Number of Pages
ASTM	2024	3

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Categories: 83.040.01 - Raw materials for rubber and plastics in general, ASTM

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Description

ASTM D6099-24

Active Standard: Standard Test Method for Polyurethane Raw Materials: Determination of Acidity in Moderate to High Acidity Aromatic Isocyanates

ASTM D6099

Scope

1.1 This test method determines the acidity, expressed as parts per million (ppm) of HCl, in aromatic isocyanate samples of greater than 100–ppm acidity. The test method is applicable to products derived from toluene diisocyanate and methylene-bis-(4–phenylisocyanate) (see Note 1).

Note 1: This test method is equivalent to ISO 14898, Test Method A.

1.2 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.

Keywords

acidity; aromatic isocyanates; isocyanates; MDI; methylene diphenyldiisocyanate; polyurethane; raw materials; TDI; titration; toluene diisocyanate;

ICS Code

ICS Number Code 83.040.01 (Raw materials for rubber and plastics in general)

DOI: 10.1520/D6099-24

Additional information

Standard Title	D6099-24 Standard Test Method for Polyurethane Raw Materials: Determination of Acidity in Moderate to High Acidity Aromatic Isocyanates
Published Code	ASTM
Publication Date	2024
Pages Count	3
ICS Codes	83.040.01 - Raw materials for rubber and plastics in general