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NOROX® KP-9 MEKP Catalyst for Polyester & Vinyl Ester Resins
Please Note: Due to strict Australian Dangerous Goods (DG) regulations and the high cost of specialized bulky liquid freight, these 3.6KG units are available for local collection in Brisbane only. We cannot ship these sizes via standard couriers.
NOROX® KP-9 MEKP Catalyst for Polyester & Vinyl Ester Resins
Product Description
NOROX® KP-9 is a premium general-purpose methyl ethyl ketone peroxide (MEKP) catalyst designed for curing unsaturated polyester and vinyl ester resins at ambient temperatures. Recognised as the workhorse of the NOROX® range, it provides consistent curing performance, medium reactivity and moderate heat generation across a wide range of composite manufacturing processes. It is suitable for both professional production and repair applications.
Typical Applications
- Polyester laminating resins
- Vinyl ester resins
- Gelcoats
- Fibreglass boat building and repairs
- Hand lay-up
- Spray-up
- RTM moulding
- Vacuum infusion
- Filament winding
- Polyester concrete
Key Features
- General-purpose MEKP catalyst
- Medium reactivity
- Consistent room-temperature curing
- Moderate exotherm
- Excellent compatibility with polyester and vinyl ester systems
- Professional-grade composite catalyst
Technical Highlights
| Property | Typical Value |
|---|---|
| Appearance | Clear liquid |
| Catalyst Type | Methyl Ethyl Ketone Peroxide (MEKP) |
| Active Oxygen | Approx. 9.1% |
| Density @ 20°C | Approx. 1.1 g/cm³ |
| Viscosity @ 20°C | Approx. 15 mPa·s |
| Recommended Dosage | 1–3% |
| Recommended Storage | 0–30°C |
| Shelf Life | 6 months |
These values come directly from the NOROX® KP-9 technical data sheet.
Why Choose NOROX® KP-9?
- Reliable curing across a wide range of polyester and vinyl ester resin systems
- Suitable for hand lay-up, spray-up, RTM, continuous laminating, centrifugal casting, filament winding and vacuum infusion
- Excellent processing consistency
- Professional-quality performance for composite manufacturing
- Trusted by fibreglass manufacturers worldwide
