Constructed from premium aluminum alloy, these rotational molds are manufactured using two specialized processes: cast aluminum molding and solid aluminum CNC machining. Aluminum molds provide exceptional thermal conductivity with uniform heat distribution, significantly reducing rotational molding cycle times.
The mold cavity can be polished and sand-blasted to enhance the surface finish of plastic products while minimizing post-processing requirements.
Core Advantages
Superior thermal conductivity with rapid heating and cooling response for higher production efficiency compared to steel molds
Relatively lightweight construction for easy disassembly, assembly, and transportation
High-fidelity reproduction of cavity details, capable of forming complex curved surfaces and intricate texture structures
Available surface treatments including polishing, sand-blasting, and Teflon coating for smooth demolding and reduced material adhesion
Supports single-cavity and multi-cavity configurations with complete mold bases and locking fixtures for immediate production upon installation
Our company supports the national cross-basin water transfer project of Brazil with large plastic storage tanks. Custom ultra-large rotational molds greatly improve production efficiency compared with old split iron molds. Wall thickness of finished tanks is uniform, the reject rate is cut down obviously, which helps us smoothly finish government order delivery.
Low-temperature weather in Northern Europe brings strict test on engineering water tank molding quality. The 5T large-capacity aluminum mold effectively avoids uneven wall thickness caused by drastic temperature change, finished water tanks fully comply with EU drinking water container access standards.
Our factory provides supporting tanks for mountain area dynamic water supply and mountain farm pumping water storage system. PT6000 6T high load mold matches our LLDPE raw material perfectly. Excellent structural rigidity reduces mold deflection during high-speed rotomolding, defective rate of dynamic water tanks drops significantly.
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