The J&J Zinc Melting Crucible represents a pinnacle of thermal engineering, specifically designed to address the most challenging industrial melting applications. Meticulously crafted from premium-grade refractory materials and high-purity graphite composites, this crucible delivers unmatched performance through its advanced multi-layer construction that incorporates ceramic-bonded silicon carbide reinforcement and specialized anti-oxidation coatings. This sophisticated material engineering ensures extraordinary thermal transfer efficiency, with heat distribution uniformity that achieves up to 40% faster melting cycles compared to conventional crucibles while reducing energy consumption by approximately 30%.

1. Superior Thermal Conductivity

   • The graphite content ensures extremely high thermal conductivity, enabling rapid heat transfer and reduced melting time. The silicon carbide component further enhances heat distribution uniformity.

2. Excellent Mechanical Strength

   • Silicon carbide provides exceptional hardness and structural integrity, making the crucible highly resistant to physical impact, abrasion, and thermal stress cracking.

3. Enhanced Thermal Shock Resistance

   • The composite structure allows the crucible to withstand rapid temperature changes (e.g., adding cold zinc charges to molten zinc) without cracking or degradation.

4. Outstanding Corrosion and Oxidation Resistance

   • The silicon carbide layer offers robust resistance to corrosive molten zinc, zinc dross, and fluxes. The graphite is protected by anti-oxidation coatings, extending the crucible’s lifespan.

5. Lightweight yet Durable

   • Compared to pure ceramic or metal alternatives, these crucibles balance lightweight properties with high durability, simplifying handling while maintaining robustness.

These advanced silicon carbide-graphite composite crucibles represent the ideal solution for specialized metallurgical operations across multiple industries, delivering exceptional performance where it matters most. For foundries handling high-volume production, these crucibles provide unmatched durability for continuous melting of copper, brass, bronze and other non-ferrous alloys. Jewelers and precious metal artisans benefit from their precise temperature control and contamination-free melting capabilities, ensuring the highest quality results for delicate casting work.

Qingdao Baidun operates under two distinct brands: “Baidun” for the domestic Chinese market and “J&J” for overseas markets. It ranks among China’s leading crucible manufacturers utilizing isostatic pressing technology to produce silicon carbide graphite crucibles and clay graphite crucibles.

Through years of dedicated R&D and practical testing, Qingdao Baidun’s technical team has successfully overcome numerous challenges, developing crucibles that offer exceptional oxidation resistance, high thermal conductivity, extended service life, and reduced energy consumption. These innovations help non-ferrous metal smelters enhance production efficiency and significantly cut operational costs.

Since 2016, Qingdao Baidun has been consistently recognized by independent third-party industry authorities as the top crucible brand in China’s die-casting sector.

Packing: Professional export packaging, wooden box or wooden box packaging, cardboard, carton, ton bag, or packaging according to customer requirements.

Delivery time: 10-45 days after confirming the order, the specific delivery date should be determined according to the order quantity.