Curing agent for Epoxy powder coatings

K7101 is a curing agent for epoxy, which is especially designed for preparing various low temperature cure decorative powders or fast curing functional powders. Because of its good reactivity and catalytic activity, it can be used both as a sole curative and as an accelerator for other epoxy hardeners, such as dicyandiamide.

1.Typical properties

Herein described to be typical properties and do not constitute specification limits.

2.Characteristics

1. As a sole curative of epoxy powders, it can make the system fully cross link at low temperature or expedite curing conditions such as 130℃/30 min or 240℃/30 sec;
2. As an accelerator, it can reduce curing temperature or shorten curing time of epoxy powders by combining with other epoxy hardeners, such as dicyandiamide;
3. Widely and excellent compatibility with epoxy resins impart smooth and flat surface to the film;
4. Good reactivity and catalytic activity at curing temperatures impart excellent mechanical properties to the film;
5. Good storage stability.

3.Use method & levels

1. Premix K7101 together with other components in a high-speed mixer, then melt blend and extrude the mixture in an extruder.
2. As sole curative, the use level is 2-4 parts per 100 parts of epoxy resin (E.E.W 700~900) by weight. As an accelerator, the use level can be flexibly adjusted according to the kind and levels of the main curing agent.

4.Package & Storage

1. Packaging with PE lined fiber bags. Net weight 25kg per bag.
2. Store in temperature between 2 and 32℃ or cool dry place to avoid wetting-absorption. Keep away from heat and fire.
3. The shelf life of K7101 is at least 2 years when stored under above conditions.