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ASTM D5629-16
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ASTM D5629-16
Standard Test Method for Polyurethane Raw Materials: Determination of Acidity in Low-Acidity Aromatic Isocyanates and Polyurethane PrepolymersMore info
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 di(phenylisocyanate) (see Note 1). Refer to Test Method D6099 for determination of acidity in moderate- to high-acidity aromatic isocyanates.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 83.080.10 : Thermosetting materials
|
| Number of pages | 3 |
| Replace | ASTM D5629-11 |
| Set | ASTMVOL0803 |
| Year | 2016 |
| Document history | ASTM D5629-11 |
| Country | USA |
| Keyword | ASTM 5629;ASTM D5629;ASTM D5629;10.1520/D5629-16 |