Products

Hardeners №2
October 2, 2018
Hardeners Sikkativ NF-1M
October 2, 2018

PEPA hardeners (polyethylenepolyamine)

Composition
Epoxy hardener. 

Categories: ,

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 
up