ASTM-D1786 Standard Specification for Toluene Diisocyanate

ASTM-D1786 - 2016 EDITION - CURRENT
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This specification covers toluene diisocyanate used as an ingredient in the production of polyurethane cellular materials. The three classes of toluene diisocyanate covered in this specification are based on isomer ratio, and the three types are based on acidity and hydrolyzable chloride. Materials shall be tested and the individual grades shall conform to specified values of isomer ratio, purity, APHA color, and total chlorine.

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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 and health practices and determine the applicability of regulatory limitations prior to use.

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

Keywords

polyurethane; raw materials; specification; TDI; toluene diisocyanate;; ICS Number Code 83.080.20 (Thermoplastic materials)

To find similar documents by ASTM Volume:

08.01 (Plastics (I): D256 - D3159)

To find similar documents by classification:

83.080.20 (Thermoplastic materials)

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Document Number

ASTM-D1786-16

Revision Level

2016 EDITION

Status

Current

Modification Type

Revision

Publication Date

April 1, 2016

Document Type

Specification

Page Count

2 pages

Committee Number

D20.22