ASTM D5629-99 Digital PDF

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Standard Test Method for Polyurethane Raw Materials Determination of Acidity in Low-Acidity Aromatic Isocyanates and Polyurethane Prepolymers
standard by ASTM International, 11/10/1999

Document Format: PDF

Description

1.1 This test method covers the acidity, expressed as ppm of hydrochloric acid, 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 1).

Note 1-There are no equivalent ISO standards.

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

1.3 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.

Product Details

Published:
11/10/1999
Number of Pages:
3
File Size:
1 file , 62 KB
Note:
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