Exolit® AP 740 S by Clariant is a non-halogenated flame retardant based on ammonium polyphosphate which develops its effectiveness through phosphorus/nitrogen synergism. It is suitable for coatings applications. It exhibits low smoke density and can be used alone or in combination with synergists like aluminum hydroxide in composites.
- It differs in its mode of action from chlorine or bromine containing flame retardants by achieving its effect through intumescence and has compared to Exolit® AP 740 smaller particles.
- By its addition in unsaturated polyester gel coats, important standards like DIN EN 13501-1 or DIN 5510 S4 SR2 ST2, EN 45545-2 can be passed.
- Exolit® AP 740 S is very effective in methacrylate-styrene dissolved unsaturated polyester resins.
- It has shelf life of 12 months.
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Exolit® AP 740 S properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Decomposition Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density, Bulk | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Nitrogen Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Particle Size Distribution, Median | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Phosphorous Content | 0.0 Visible After Login | Visible After Login | Visible After Login |