702 zirconium foil (Zr702/UNS R60702) is an ultra-thin metal foil made of industrial pure zirconium. Its core advantages are extremely strong corrosion resistance, low neutron absorption, and high temperature stability. It is widely used in high-end fields such as chemical industry, nuclear industry, medical industry, and electronics.
I. Product Introduction
1. Material and Standards
Grade: Zr702 (UNS R60702, ASTM B551/B352)
Composition: Zr+Hf ≥99.2%; Fe+Cr ≤0.2%; Hf ≤4.5%; O ≤0.16%
Purity: ≥99.2% (Higher purity can be customized)
2. Specifications
Thickness: 0.02–1.0 mm (commonly 0.025–0.5 mm)
Width: 10–300 mm
State: Cold rolled, annealed (bright/matte surface)
Density: 6.51 g/cm³; Melting Point: 1855°C
3. Core Characteristics
Corrosion Resistance: Stronger than titanium and stainless steel, close to tantalum; resistant to sulfuric acid, hydrochloric acid, alkalis, salt solutions, and high-temperature water. Steam
Low Neutron Absorber: Key Material for Nuclear Reactors
Biocompatibility: Non-toxic, non-allergenic, suitable for implantation
High Temperature Stability: Maintains performance above 300°C
Processability: Easy to stamp, weld, and form
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II. Main Application Areas
1. Chemical Corrosion Protection (Most Important)
Reactors, heat exchangers, tower linings, pumps, valves, agitators
Strong acid/strong alkali/salt solution equipment, fertilizer/resin/plastic production equipment
Pharmaceutical/Fine Chemicals: Autoclaves, sterile pipelines, high-purity chemical transportation
2. Nuclear Industry
Nuclear fuel cladding, reactor structural components, control rod assemblies
Nuclear-grade equipment, high-temperature water/steam circuits, radioactive environment components
3. Medical/Biological
Dental implants, bone screws, artificial joints, surgical instruments
Biosensors, implantable electrodes, medical device housings
4. Electronics/Semiconductors
High-purity chemical transportation, wafer processing, vacuum equipment, precision fixtures
Electronic components in high-temperature/corrosive environments, shielding materials
5. Others
Marine Engineering: Seawater desalination, platform corrosion protection, ship components
Aerospace: High-temperature/corrosive structural components, thermal shielding
Vacuum/High-Temperature Furnaces: Insulation, sealing, lining
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Quality Control and Testing
Each product undergoes rigorous inspection before shipment:
Dimensional Inspection: Precise measurement of thickness, length, and width
Chemical Composition and Mechanical Property Analysis: Third-party testing reports
Surface Inspection: Visual and microscopic inspection for defects
Ultrasonic Testing: Detection of internal defects
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Why Choose Us
Technology and Quality: Located in Baoji, China's Titanium Valley, we possess professional production technology and extensive experience in non-ferrous metal manufacturing.
Global Coverage: We provide consistently high-quality products to customers in Australia, South Korea, Germany, the USA, the UK, Malaysia, and the Middle East.
Quality Commitment: We never compromise on quality and are responsible for every product we manufacture.
Technical Support: We have professional personnel overseeing the entire process from raw materials to finished products!
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Contact Us
Our team is dedicated to serving you and hopes that every product you purchase will meet your expectations!
Email: lucky@bjfreelong.com
WhatsApp: +86 13335371763

Please contact us for detailed quotations and technical specifications. We look forward to becoming your trusted high-end titanium materials partner.
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