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Environmentally Friendly Brass Granules
Basically non-toxic and harmless, it refers to natural materials that are inherently non-toxic or have very low toxicity, or materials that contain minimal toxicity and emit low levels of harmful substances. These materials are processed, modulated, or synthesized through technical means to control the accumulation and slow release of toxic and harmful substances. Due to their minimal toxicity, they pose no danger to human health and are environmentally friendly, pollution-free materials that comply with national environmental protection testing standards. There is also another category of materials for which current science and technology, as well as testing methods, cannot determine or evaluate the impact of their toxic substances. At present, these materials are considered non-toxic and harmless. However, with societal progress and advancements in science and technology, these currently deemed safe materials may be reassessed in the future.
Environmentally friendly brass granules, also referred to as copper alloy granules, are materials explicitly banned by national regulations for containing lead and cadmium. Pure tin alloys are not cost-effective, while zinc alloys have higher hardness. The new copper alloy granules are environmentally friendly, free of lead, cadmium, and nickel, while also possessing the toughness of lead and the smooth surface of tin. They can replace lead-tin alloys and tin alloys, offering both environmental benefits and cost-effectiveness. Environmentally friendly brass granules are primarily used in the casting of jewelry and handicraft artworks.