How to solve the problem of traditional drying-induced oxidation pollution?

A nitrogen drying oven is specialized industrial equipment that creates an oxygen-free or low-oxygen atmosphere by infusing nitrogen gas into the chamber during heating and drying operations. This technology is critical in preventing oxidation, making it ideal for processing heat-sensitive, easily oxidized, or chemically unstable materials. Widely applied across industries such as electronics, pharmaceuticals, materials science, cleanroom engineering, and precision manufacturing, nitrogen ovens ensure both product integrity and process reliability.


By replacing ambient air with high-purity nitrogen, these ovens provide a controlled environment perfect for rapid and uniform drying without oxidative damage. Common construction features include stainless-steel chambers, high-efficiency heating elements, and integrated gas purification systems to maintain nitrogen purity. Applications are extensive and include:


  • Electronics: Preheating, aging, baking, and thermal curing of electronic components, PCB boards, and semiconductors.

  • Medical & Healthcare: Drying and sterilizing medical instruments and devices.

  • R&D Laboratories: Precision drying and heat treatment for experimental materials.

  • Industrial Manufacturing: Specialized drying of sensitive industrial materials.

Shihao Nitrogen Ovens: Engineered for Excellence

With over 20 years of expertise in industrial drying solutions, Shihao nitrogen ovens are trusted by leading manufacturers, including major PCB producers. Designed for versatility, Shihao ovens support a wide range of processes:

  • PCB oxidation baking

  • Semiconductor encapsulation curing

  • PI adhesive and photoresist hardening

  • Silicon wafer high-temperature annealing

  • Ink and epitaxial wafer drying

  • LED fixture baking


Key Features & Specifications

  • Energy-Saving Performance: Patented heating technology reduces energy consumption by over 35% compared to conventional heating elements, while extending operational lifespan.

  • High-Purity Environment: Equipped with H11-grade HEPA filtration, achieving Class 1000 cleanliness to enhance product quality.

  • Precise Temperature Control: Advanced PID control system with over-temperature protection ensures uniform temperature distribution (±2°C).

  • Customizable Design: Available in tailored sizes with optional configurations to meet specific production needs.

Technical Parameters

  • Maximum Processing Area: 650mm × 650mm

  • Compatible Material Thickness: All thicknesses supported

  • Oven Dimensions: Customizable per requirements

  • Airflow System: Internal high-speed circulating air

  • Temperature Uniformity: ±2°C

  • Nitrogen Flow Rate: 250–400 L/min

  • Temperature Range: RT + 50°C to 160°C


Shihao UVLED Nitrogen Curing Ovens

Also known as inert gas-protected UV curing systems, Shihao UVLED nitrogen ovens are designed to deliver oxygen-free ultraviolet curing. Featuring a built-in nitrogen interface and optimized internal circulation, these ovens effectively displace oxygen to create an ideal inert atmosphere for UV-sensitive adhesives, coatings, and inks. Ideal for optics, medical devices, 3C electronics, instrumentation, and R&D laboratories.

UVLED Oven Advantages:

  1. Compact, lightweight, and customizable cabinet design for flexible installation.

  2. Excellent sealing to prevent UV light leakage.

  3. Integrated exhaust fan for rapid heat dissipation.

  4. Adjustable UV irradiation distance.

  5. High-intensity, stable UV output for faster curing and improved productivity.

  6. Energy-efficient cold UV LED source, limiting surface temperature rise to under 5°C.

  7. No hazardous metals or ozone emission, ensuring a safe and eco-friendly workspace.

At Shihao, we are committed to delivering high-performance, reliable drying and curing solutions tailored to our clients' needs. Our customer-focused approach ensures optimal product quality and process efficiency across applications. For inquiries or customized solutions, please contact our team—we look forward to supporting your production success.


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