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Cobalt 12% is commonly used as a polyester resin hardener in various industrial applications. As a catalyst, it facilitates the curing process of polyester resin by promoting cross-linking reactions. The addition of Cobalt 12% as a hardener enhances the resin curing rate and improves its mechanical properties.

The 12% concentration of Cobalt ensures an optimal balance between curing efficiency and cost-effectiveness. Higher concentrations may lead to excessive exothermic reactions and potential resin degradation, while lower concentrations might result in inadequate curing and compromised mechanical strength.

When Cobalt 12% is incorporated into polyester resin formulations, it significantly reduces the curing time, allowing for faster production cycles. Moreover, it enhances the resin resistance to chemicals, heat, and weathering, making it suitable for a wide range of applications such as automotive parts, marine coatings, fiberglass products, and construction materials.