Calcium carbonate is utilized in fiberglass reinforced plastic (FRP), commonly known as fiberglass, as a filler or reinforcing agent. FRP is a composite material composed of glass fibers and resin (typically epoxy or polyester resin), renowned for its excellent strength and corrosion resistance, thus finding widespread applications across various industries.
In FRP, calcium carbonate serves as a filler additive within the resin matrix, aimed at enhancing the material's physical and processing properties. Its key functions include increasing hardness and strength, thereby improving abrasion resistance and durability. Additionally, its incorporation lowers production costs while maintaining or even enhancing material performance, rendering it cost-effective. Furthermore, the addition of calcium carbonate improves the flowability and moldability of FRP, enhancing processing efficiency.
Moreover, calcium carbonate contributes to augmenting the fire resistance of FRP due to its stability at elevated temperatures, expanding its suitability for diverse applications. In summary, the utilization of calcium carbonate as a filler or reinforcing agent enhances the physical properties, processing capabilities, and fire resistance of FRP, thus broadening its applicability across various industrial sectors.
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