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| CAS Number | TSCA status |
| 37187-22-7 ( for EU:13784-51-5) | listed on inventory |
| Appearance | EINECS/ELINCS |
| Clear liquid | 253-384-9 (for EU: 237-438-9) |
| Color | |
| 50 Pt-Co max. | |
| Characteristics | |
| Density, 20℃ | 1.055 g/cm³ |
| Viscosity, 20°C | 21 mPa.s |
| Application | |
| Trigonox® 44B is an acetyl acetone peroxide formulation for the curing of unsaturated polyester resins in the presence of a cobalt accelerator at room and elevated temperatures. With the curing system Trigonox® 44B/cobalt accelerator a much faster speed of cure may be achieved than with curing systems based on a MEKP plus cobalt accelerator, at room and elevated temperatures. Normally the gel times with Trigonox® 44B are comparable to those with Butanox M-50.Trigonox® 44B is particularly suitable in those applications where a fast mold-turnover is required, e.g. for the cold press molding or resin injection molding techniques. The system Trigonox® 44B/cobalt accelerator will give a higher peak exotherm than a standard MEKP/cobalt accelerator system. Due to this fact, is it recommendable to avoid the production of too thick laminates in one operation. At low temperatures a reasonable speed of cure is still obtained when Trigonox® 44B is used in combination with large amounts of cobalt accelerator possibly in combination with N,N Dimethylaniline aspromotor. | |
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