ASTM D1786-21 - 1.7.2021
 
1. Scope

1.1?This specification covers toluene diisocyanate used as an ingredient in the production of polyurethane materials.

Note 1:?The properties included in this specification are those required to characterize toluene diisocyanate. Other requirements are possible and will be added as the necessary test methods become available.

1.2?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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

Note 2:?There is no known ISO equivalent to this standard.

1.3?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.

 
2. Referenced Documents

D883-24

Standard Terminology Relating to Plastics

D4877-19

Standard Test Method for Polyurethane Raw Materials: Determination of APHA Color in Isocyanates

D4663-20

Standard Test Method for Polyurethane Raw Materials: Determination of Hydrolyzable Chlorine of Isocyanates

D4661-23

Standard Test Methods for Polyurethane Raw Materials: Determination of Total Chlorine in Isocyanates

D4660-23

Standard Test Methods for Polyurethane Raw Materials: Determination of the Isomer Content of Toluenediisocyanate

D5629-23

Standard Test Method for Polyurethane Raw Materials: Determination of Acidity in Low-Acidity Aromatic Isocyanates and Polyurethane Prepolymers

D5155-19

Standard Test Methods for Polyurethane Raw Materials: Determination of the Isocyanate Content of Aromatic Isocyanates

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CFR Transportation Part 172.01 Code of Federal Regulation is available from U.S. Government Printing Office Superintendent of Documents, 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401.