Composition
Epoxy hardener.
Purpose
Polyethylene polyamine is used as hardeners of epoxy resins, in the production of ion exchange resins, additives, and for other purposes.
Specifications
Name of the indicator | Value |
Appearance | Liquid from light yellow to dark brown color without mechanical inclusions. Greenish color is allowed. |
Mass fraction of total nitrogen,%, not less | thirty |
The presence of chlorine ion | Missing |
Mass fraction of the fraction distilled at a residual pressure of 1.3 kPa (10 mm Hg) in the temperature range – up to 75? C,%, not more than
– from 75? C to 200 ° C,%, not less |
123 |
Mass fraction of tertiary amino groups,%, up | 65 – 75 |
Mass fraction of water,%, not more than | 2 |
Mass fraction of nitrogen titrated by acid,%, up | 19.5 – 22.0 |
Curing ability, hour, not more | 1.5 |