Trigonox® 289-IN VR is a special peroxide blend with a VR system, suitable for curing unsaturated polyester and vinylester resins at ambient conditions in conjunction with a metal accelerator.
| Appearance, 20-25°C | Clear red liquid |
| Total active oxygen | 8.8-9.0 % |
| Density, 20 °C | 1.16 g/cm |
| Viscosity, 20 °C | 23 mPa.s |
Trigonox® 289-IN VR 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® 289-IN VR 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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