High-performance ceramic-coated aluminum oxide and nitride sheets engineered for high-voltage dielectric applications.
Premium grade alumina oxide substrates delivering unparalleled breakdown voltage protection in intense thermal environments.
Tailored dielectric sheets matching specific CAD layouts, ideal for power module layouts and high-voltage converters.
Engineered AlN components showcasing extreme thermal conductivity and reliable mechanical insulation properties.
High-density AlN substrates pre-drilled and CNC-machined for optimal layout integration in power electronics.
São Paulo represents the economic and industrial engine of South America. Hosting complex automotive, aerospace, and energy infrastructure manufacturing hubs—stretching from the ABC region to Campinas and Sorocaba—the demand for advanced thermodynamic materials continues to escalate. In an era where electrification, renewable grid connectivity, and electric vehicle (EV) infrastructure dominate industrial investments, conventional insulation materials are no longer sufficient.
Local electronics manufacturers and energy distributors require high-performance materials that provide dual functions: robust electrical insulation combined with exceptional thermal conductivity. This is where Electrical Insulation Aluminium Sheets and advanced ceramic-coated composites play a vital role. By coupling the thermal dissipation capacity of structured aluminum with the insulating barrier of alumina (Al2O3) or aluminum nitride (AlN), manufacturers achieve maximum system reliability in high ambient temperatures.
Our localized support network ensures direct logistics pathways into São Paulo's prominent distribution centers, mitigating custom bottlenecks (Desembaraço Aduaneiro) and providing technical documentation compliant with ABNT standards.
Sourcing directly from an established manufacturer guarantees material traceability, batch-to-batch consistency, and custom sizing options. Local distributors in Brazil often mark up technical laminates and ceramic sheets. By partnering with our production facility, you secure:
An engineering guide to choosing the correct dielectric medium for heat sink applications.
Offering a reliable balance between mechanical strength, insulation resistance, and cost-efficiency. Our 96% and 99.6% purity Alumina sheets provide exceptional dielectric performance, withstanding thermal shocks up to 1000°C without mechanical degradation. Widely utilized in high-power IGBT modules and automotive electronics.
Specifically developed for extreme thermal management projects. With a thermal conductivity rating exceeding 180 W/m·K (approaching metallic levels) while maintaining perfect electrical isolation, AlN is the industry standard for high-frequency RF systems, laser diodes, and high-power LED systems in modern telecommunication hardware.
For structural and mechanical electrical insulation, phenolic resin-bonded cotton and paper boards (Bakelite Sheet 3025) deliver superior cost-efficiency. Perfect for transformer terminal boards, switchgear backing plates, and mechanical jigs where thermal dissipation is secondary to dielectric reliability.
Optimized compound sheets engineered to withstand environmental exposure and high electromagnetic fields.
Advanced substrate material designed to bridge the gap between active silicon dies and passive cooling systems.
Weatherproof structural sheets combining UV stabilization and impact resistance for architectural utility structures.
Cotton-cloth reinforced phenolic sheet providing stellar mechanical stability and high dielectric breakdown threshold.
Premium-coated architectural aluminium sheets featuring superior UV protection and atmospheric corrosion resistance.
Global manufacturing expertise delivering state-of-the-art aluminum sheets, plates, and compound insulating substrates.
Dongguan Cellar Aluminum Co., Ltd. is a professional manufacturer specializing in aluminum material processing and supply, positioned as an Aluminium Plate Manufacturer | Aluminium Sheet & Industrial Metal Material Supplier. The company focuses on providing high-quality aluminum products widely used in construction, transportation, machinery manufacturing, packaging, electronics, and industrial engineering sectors.
Established in 2011 in Dongguan, China, Cellar Aluminum began as a small aluminum processing workshop focused on basic sheet cutting and surface finishing services. With the rapid growth of industrial demand for lightweight and corrosion-resistant materials, the company expanded into large-scale production of aluminum plates, sheets, and tread plate solutions. By 2016, it had developed advanced capabilities in rolling, cutting, anodizing, and precision surface treatment.
Today, Dongguan Cellar Aluminum Co., Ltd. operates modern production facilities equipped with automated rolling lines, precision cutting systems, and advanced surface treatment technologies. The company emphasizes strict quality control, stable material performance, and customized specifications to meet diverse industrial requirements.
With a strong export network across Southeast Asia, the Middle East, Europe, and South America, Cellar Aluminum continues to deliver reliable and cost-effective aluminum solutions. Committed to innovation, sustainability, and material performance enhancement, the company plays an active role in supporting global industrial manufacturing and modern infrastructure development.
Importing technical industrial metals into Brazil requires strict compliance with local customs (Receita Federal) and physical property declarations. Our team is fully conversant with the required procedures:
Working with global engineers, we recognize the critical importance of lead-time predictability. High-tech assembly lines in São Paulo's industrial belt cannot afford delays due to poor packaging or mismatched specifications.
Each sheet of our insulating material is packed with protective interlayers to prevent moisture absorption and friction damage during sea transit. We provide comprehensive mill test certificates (MTC) with chemical analysis and breakdown voltage logs for every batch dispatched to Latin America.
Explore our full selection of phenolic boards, composite foam backing sheets, and anodized aluminum substrates.
Standard industrial grade laminates offering strong structural backing and cost-effective electrical resistance.
Mirror-polished AlN substrates ensuring ultra-flat surfaces for precision thin-film semiconductor layers.
Reflective thermal barrier foam sheets designed for heat shielding and acoustic insulation in structural spaces.
Commercial 3025 series woven-fabric reinforced board featuring excellent dielectric and high shear strength.
Perforated shielding panels featuring anodized outer layers to ensure reliable electrical decoupling.
Engineered substrates for PCB modules, allowing efficient electrical insulation under continuous thermal loads.
High purity AlN plates featuring superior chemical inertness and exceptional performance at microwave frequencies.
Premium phenolic board with enhanced cotton weave, offering excellent machinability and durability.
Answers to critical questions regarding imports, customization, and performance specifications.
Alumina (Al2O3) ceramic-based aluminum sheets provide much higher thermal stability (withstanding temperatures up to 1000°C) and higher thermal conductivity than polymers. Unlike polymer laminates which degrade or release toxic gases under extreme electrical heat, ceramic-coated aluminum preserves mechanical stability and keeps dielectric properties intact.
We partner with global shipping companies providing direct routes to the Port of Santos and Guarulhos International Airport. We supply detailed documentation including HS Code declarations (under Mercosur rules), mill test reports, and packing lists to facilitate rapid customs clearance under your company's RADAR Siscomex license.
Yes. We support full custom fabrication. Our factory is equipped with high-precision CNC routers, laser cutters, and diamond-tooling drills to output custom parts based on your engineering drawings (.DWG or .DXF formats). We execute fine-tolerance designs for complex PCB shapes and structural power components.
Our standard manufacturing turnaround for tailored designs is 12–18 days from technical schematic confirmation. Ocean transit to Santos typically takes 35–45 days, while airfreight shipments can land in Guarulhos or Campinas (Viracopos) within 7–10 days.
Yes, all our insulating plates, phenolic boards, and ceramic substrates comply with RoHS and REACH regulations. We execute regular dielectric breakdown voltage testing under ASTM D149 standards, assuring compliance with UL94 V-0 flame retardancy requirements.
Connect with our specialized team to receive material samples, detailed technical sheets, or a customized production quote for your operations in São Paulo.
Cellar Aluminum