Some PUR applications require adding emulsified air or CO2 into polyol to improve the flow of the liquid PUR injected into the closed mold or reduce the foam’s overall density. That’s why we have developed our own piston pump and systems to premix air, CO2 or nitrogen with PUR formulations.
Our CarbOxide is the best solution for premixing low- and medium-percentages of CO2 in the dosing machine’s day tank.
Gaseous CO2 is provided in bottles, which are positioned on a precise scale to easily monitor its content. A mass flowmeter controls the gaseous CO2 output in a closed loop, automatically adjusting the flow according to the ratio set between polyol and CO2.
A dedicated static mixer has been engineered specifically for optimal blending efficiency.
CarbOxide can be installed in existing foaming plants, and connected to a centralized large day-tank to supply several metering machines.
Air nucleation normally facilitates the reaction between polyol and isocyanate, decreasing surface tension. In rigid high-density foams, air nucleation improves fluidity and facilitates mold filling, even in those with a complex shape. Air is always present in the chemical blend, in small percentages (3-4%), depending on the material viscosity.
We provide several dedicated tools to add precise quantities of air to the chemicals:
Depending on the percentages of emulsified air in the chemicals, we can provide devices specifically designed to measure the air amount in production conditions and control the air emulsifier in a closed loop.
Contact us today to discuss your specific needs and find out how our custom solutions can enhance your production process. Don’t wait — let’s create excellence together!
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