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CYMEL® 1158 by allnex is n-butylated melamine-formaldehyde cross-linking agent. It possesses a medium to a high degree of alkylation, low to medium methylol content and medium to high amino functionality. It is specially designed for medium solids systems, providing a fast cure response, low blistering tendency and low formaldehyde release during cure. It has a high tendency to self-condense resulting in films with high film hardness that can be adjusted based on loading. It shows very good compatibility with acrylic-, alkyd-, epoxy- and polyester resins. CYMEL® 1158 improves substrate wetting, flow & leveling, humidity and salt spray resistance. Recommended for automotive topcoats and general industrial finishes. The shelf life of this additive is 720 days.
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CYMEL® 1158 properties
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| Properties | Value & unit | Test condition | Test method |
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| Color, APHA | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Free Formaldehyde Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Non-volatile Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |
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