- Product Name: NOROX® 420-75 OMS
- Chemical Composition: tert-butyl peroxyoctanate
- Form: Liquid mixture
- CAS Number: 26748-41-4
- Main Applications: Used for the curing of unsaturated polyester and vinyl ester resins initiated at low temperatures; particularly suitable for high-temperature processes such as pultrusion.
- Active Ingredient: 75%
- Active oxygen content: 4.92%
- Form: Colorless liquid
- Specific Gravity: 0.857 @ 25°C
- Refractive Index: 1.432 @ 25°C
- Flash point: 56°C (132°F)
- Soluble in: ethanol, benzene, hexane, methyl ethyl ketone, common organic solvents
- Critical Temperature (SADT): 15°C (59°F)
- Recommended storage temperature: < -10°C (< 14°F)
- Maximum shipping temperature: 0°C (32°F)
- Storage stability from date of delivery: 3 months
- As an emulsion, it mixes very easily with resins and other components.
- Used in combination with other peroxide initiators in the pultrusion process at a concentration of 0.5 to 1.0% phr, depending on the type and amount of organic peroxides used in the initiator blend.
- Temperature 47°C (117°F) 64°C (147°F) 100°C (212°F)
- Time 10 hours 1 hour 0.1 hours
- Molecular weight: 244.4
- Empirical molecular formula: C14H28O3
- Standard packaging: 25-kilogram HDPE drum
- Technical data and recommendations are based on internal testing and do not constitute a guarantee of product characteristics, suitability, or complete instructions for use.
- No warranty is provided regarding product performance or shelf life.
- The user assumes all responsibility and risk associated with the use of this information and is responsible for verifying and testing the product’s suitability.