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| CAS Number | Active oxygen |
| 1338-23-4, 80-15-9 | 8.2-8.7 % |
| Appearance | EINECS/ELINCS |
| Clear red liquid | No.215-661-2; 201-254-7 |
| TSCA status | |
| listed on inventory | |
| Characteristics | |
| Density, 20℃ | 1.14 g/cm³ |
| Viscosity, 20 °C | 24.8 mPa.s |
| Application | |
| Trigonox® 249 VRN is a convenient initiator suitable for curing unsaturated polyester, vinyl ester and acrylic thermosetting resins at ambient conditions in conjunction with a metal salt. Trigonox® 249 VRN offers the advantages of a standard red peroxide formulation to indicate product flow and proper mixing into the resin. The vanishing red (VR) series of products however include a red indicator system that disappears during the cure. The red color is only visible when needed but not in the finished end product. The key features are: indicates initiator presence, monitoring of the mixing step, monitoring of the cure by color and indicating under-cured area's in the mould, and last but not least it leaves the end product colorless after the cure. | |
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