- Product Name: NOROX® PD-40
- Chemical Composition: Acetylacetone Peroxide
- Appearance: Colorless liquid
- Main Applications: Used as a curing agent for unsaturated polyester resins, primarily for curing thin-walled molded parts at room temperature in conjunction with cobalt accelerators.
- Active Oxygen Content: Approx. 4.1% (by mass)
- Density (20°C): approx. 1.1 g/cm³
- Viscosity (20°C): approx. 37 mPa·s
- Solubility: Miscible with alcohols and phthalates
- Critical Temperature (SADT): approx. 60°C
- Storage Stability: Can be stored at temperatures ranging from 10°C to 25°C; valid for 6 months after delivery.
- Used for curing unsaturated polyester resins, such as phenolic resins, in combination with a cobalt accelerator at room temperature.
- Curing Characteristics: This curing agent generates significant heat, resulting in rapid demolding and excellent release properties.
- Processing Methods: Suitable for curing various thin-walled molded parts, including hand lay-up, spray lay-up, vacuum and resin transfer molding (RTM), wet pressing, centrifugal casting (pipes), continuous impregnation (corrugated sheets), etc.
- This product is not suitable for use with vinyl ester resins.
- During storage, avoid heat sources, light, moisture, and contaminants, and maintain the product within the safe temperature range.