Aradur® 21 by Huntsman is an aliphatic polyamine. Acts as a curing agent. Exhibits good color stability, low viscosity, good resistance to aqueous, neutral and alkaline solutions. Also exhibits good resistance to aliphatic and aromatic hydrocarbons, good mechanical properties and optimal cure effects. The liquid to semi-solid Araldite® epoxy resins or resin solutions (e.g. Araldite GY 250, GY 260 or GY 280) do not cure fully when processed solely with Aradur® 21 and consequently resulting films are brittle as well as tend to exude. The features of surface technologies depend on the formulation and epoxy resin used. Aradur® 21 is used in floorings.
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Aradur® 21 properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Active Hydrogen Equivalent Weight | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Amine Number | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Color, Gardner | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flash Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Gel Time | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Refractive Index | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |