ASTM-D5629 2005

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D5629-05 Standard Test Method for Polyurethane Raw Materials Determination of Acidity in Low-Acidity Aromatic Isocyanates and Polyurethane Prepolymers

Published By	Publication Date	Number of Pages
ASTM	2005	3

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Categories: 83.080.10 - Thermosetting materials, ASTM

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Description

1.1 This test method measures the acidity, expressed as ppm of hydrochloric acid (HCl), in aromatic isocyanate or polyurethane prepolymer samples of below 100 ppm acidity. The test method is applicable to products derived from toluene diisocyanate and methylene-bis-(4-phenylisocyanate) (see Note 0). Refer to Test Method D 6099 for determination of acidity in moderate- to high-acidity aromatic isocyanates.ISO 14898, Method B is technically equivalent to this test method.

1.2 The values stated in SI units are to be regarded as the standard.

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.

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PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method Significance and Use Apparatus
2	Reagents and Materials Sampling Calibration Test Conditions Procedure Calculation Report Precision and Bias
3	Keywords TABLE 1

Additional information

Standard Title	D5629-05 Standard Test Method for Polyurethane Raw Materials Determination of Acidity in Low-Acidity Aromatic Isocyanates and Polyurethane Prepolymers
Published Code	ASTM
Publication Date	2005
Pages Count	3
ICS Codes	83.080.10 - Thermosetting materials

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ASTM-D5629 2005

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