Overview
Butanox HBO-50 is a methyl ethyl ketone peroxide (MEKP) for curing unsaturated polyester resins in the presence of a cobalt accelerator at room and elevated temperatures. As one of the recommended international brand products in our organic peroxide range, it is supplied with supply chain resource support for fabricators sourcing curing systems for laminating resins, lacquers, and corrugated sheet production.
Specifications
| Appearance | Clear colorless liquid |
| Total active oxygen | 9.8-10.0 % |
| Density, 20°C | 1.180 g/cm³ |
| Viscosity, 20°C | 19 mPa.s |
Applications of Butanox HBO-50 Across Laminating and Curing Systems
The curing system built around Butanox HBO-50 and a cobalt accelerator is particularly suitable for the curing of laminating resins and lacquers when a faster gelation and initial cure speed is required than can be obtained with Butanox M-50. Moreover, the manufacture of light-resistant parts may be possible with this MEKP, contrary to curing systems based on benzoyl peroxide and an amine accelerator.
Why Faster Gelation Matters for Butanox HBO-50
Because Butanox HBO-50 is formulated for faster gelation and initial cure than the standard Butanox M-50 grade, it gives fabricators an option when process conditions call for shorter cycle times without moving to a significantly different peroxide chemistry. This is particularly relevant for laminating resin and lacquer applications, and for corrugated sheet production, where cure speed directly affects throughput.
Applications Across Industries
Butanox HBO-50 supports a range of end-use applications across several industries relevant to unsaturated polyester resin curing:
- Automotive & Transportation: laminating resin curing for composite parts requiring faster cycle times
- Building & Construction: corrugated sheet and laminate production for construction components
- Home & Renovation: lacquer and laminating resin curing for interior and exterior composite panels
- Marine: laminating resin curing for GRP components where light-resistant parts are relevant
Why Sourcing Consistency Matters for Buyers
Because active oxygen content and viscosity directly affect cure consistency, fabricators should confirm current specifications for Butanox HBO-50 against the latest technical data sheet before finalizing a curing schedule. A supplier that consistently delivers this MEKP within its stated appearance, active oxygen, density, and viscosity specifications reduces the need to re-qualify a curing schedule with every new batch.
This is particularly relevant for laminating and lacquer applications where gel time and initial cure speed are central to production throughput. Buyers should confirm current batch documentation against the latest technical data sheet before scheduling a new batch into production.
What to Consider When Sourcing Butanox HBO-50
When sourcing Butanox HBO-50, fabricators typically evaluate active oxygen content, density, and viscosity data alongside their specific resin system and target cure profile, and compare its faster gelation profile against the standard Butanox M-50 grade to confirm which is better suited to a given production line. Working with a supplier that can provide consistent documentation and responsive technical support can help reduce qualification time when approving it for a new application.
Cure speed and gel time with this MEKP/cobalt accelerator system depend on cobalt accelerator loading, ambient or process temperature, and the specific unsaturated polyester resin formulation being used. Fabricators should always run trial batches to confirm gel time and cure profile before committing to full production with a new resin and peroxide combination.
General Handling and Storage Guidance
As with most organic peroxide products, Butanox HBO-50 should be stored in a cool, well-ventilated location away from direct sunlight, heat sources, and incompatible materials such as accelerators or reducing agents, and used within the manufacturer’s recommended shelf life. Because organic peroxides are reactive materials, storage temperature and segregation from accelerators are important handling considerations.
Shelf life and specific storage temperature limits vary by batch and packaging format, so fabricators should always confirm current shelf life, recommended storage temperature, and handling precautions against the latest technical data sheet and safety data sheet for the specific batch they are working with.
Choosing Between Butanox HBO-50 and Other MEKP Grades
Thousands Chemicals also supplies Butanox M-50, the standard-reactivity grade that Butanox HBO-50 is positioned above for faster gelation and initial cure speed. Fabricators working with slower-curing resin formulations or standard laminating schedules may find the standard M-50 grade sufficient, while those needing faster gelation for laminating resins, lacquers, or corrugated sheet production often evaluate this grade.
Selecting between these grades depends on target gel time, cure speed requirements, and the specific unsaturated polyester resin being cured. Our team can help match the correct MEKP grade to your resin system and production schedule.
Where to Source This Product
Thousands Chemicals supplies Butanox HBO-50 and related organic peroxide products through our digital B2B marketplace, with supply chain resource support for fabricators sourcing curing systems for laminating, lacquer, and corrugated sheet applications. Peroxide handling and classification are commonly referenced against guidelines published by ASTM International. Our team can help confirm packaging, lead times, and technical documentation for your target application and order volume.
Documentation We Can Provide
For buyers evaluating Butanox HBO-50 for a new laminating, lacquer, or corrugated sheet project, our team can help arrange the current technical data sheet and safety data sheet. Having this documentation in hand before finalizing a curing schedule can help avoid delays later in your qualification or approval process.
FAQ
What is the active oxygen content of Butanox HBO-50?
It has a total active oxygen content of 9.8 to 10.0%, with a density of 1.180 g/cm³ and viscosity of 19 mPa.s at 20°C.
How does Butanox HBO-50 compare to Butanox M-50?
It is formulated to provide faster gelation and initial cure speed than Butanox M-50 when used with a cobalt accelerator at room or elevated temperatures.
What resins is Butanox HBO-50 compatible with?
It is used for curing unsaturated polyester resins, including laminating resins and lacquers, in the presence of a cobalt accelerator.
Can you provide technical documentation and bulk pricing for Butanox HBO-50?
Yes, technical data sheets and SDS documentation are available on request, and our team can provide bulk pricing and lead times based on your target volume and delivery location.
Get a Quote for Butanox HBO-50
Contact our team for a quote, technical data sheet, or SDS for Butanox HBO-50. We support bulk supply and global shipping for fabricators sourcing faster-curing MEKP systems for laminating, lacquer, and corrugated sheet production.
