Why is Tungsten Alloy Commonly Used for Medical Radiation Protection?

Tungsten alloy is commonly used for medical radiation protection because it possesses a range of excellent physical and chemical properties that meet the high demands of radiation shielding materials in the medical field. Below are the main reasons:

1. High Density and Excellent Radiation Shielding Capability
   • The density of tungsten alloy typically ranges from 16 to 19 g/cm³, nearly twice that of lead.
   • Its high density allows it to effectively absorb and attenuate high-energy radiation (such as X-rays and gamma rays), providing better protection for healthcare workers and patients.

1. Environmental Friendliness and Non-Toxicity
   • Tungsten alloy is non-toxic and environmentally friendly, unlike lead, which has toxicity and pollution risks.
   • Environmental friendliness is particularly important in the medical industry, especially in areas of frequent contact.

1. Superior Mechanical Properties
   • Tungsten alloy has high hardness and strength, allowing it to maintain stability under high-pressure or high-temperature conditions.
   • Its mechanical properties surpass those of lead, making it less likely to deform, wear, or be damaged. This makes it more suitable for manufacturing medical equipment that needs to be used for extended periods.

1. Compact Size and Flexible Design
   • Due to its high density, shielding components made from tungsten alloy can be smaller and lighter while still providing effective radiation shielding.
   • This makes tungsten alloy particularly suitable for medical equipment and tools that require portability or complex designs (e.g., syringe shielding casings, portable radiation source shielding devices).

1. Corrosion Resistance and Good Machinability
   • Tungsten alloy has excellent corrosion resistance, ensuring it is not eroded by long-term exposure to air, chemicals, or other substances.
   • Additionally, it is highly machinable, allowing it to be processed into various complex shapes to meet the design requirements of different medical devices.

1. Wide Range of Applications in Medical Needs
   • The shielding performance and design flexibility of tungsten alloy meet a variety of demands, from large radiation therapy equipment to portable protective tools, such as:
     • Shielding components for X-ray machines.
     • Equipment used to protect against radioactive isotopes in nuclear medicine.
     • Collimators and multi-leaf collimators for radiation therapy localization.

In summary, tungsten alloy, with its high density, environmental friendliness, mechanical strength, and adaptability, has become the preferred alternative to traditional materials like lead in medical radiation protection, providing reliable safety for healthcare workers and patients.

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Chinatungsten Online and CTIA GROUP LTD have been working in the tungsten industry for nearly 30 years, specializing in flexible customization of tungsten and molybdenum products worldwide, which are tungsten and molybdenum design, R&D, production, and overall solution integrators with high visibility and credibility worldwide.

Chinatungsten Online and CTIA GROUP LTD provide products mainly including: tungsten oxide products, such as tungstates such as APT/WO3; tungsten powder and tungsten carbide powder; tungsten metal products such as tungsten wire, tungsten ball, tungsten bar, tungsten electrode, etc.; high-density alloy products, such as dart rods, fishing sinkers, automotive tungsten crankshaft counterweights, mobile phones, clocks and watches, tungsten alloy shielding materials for radioactive medical equipment, etc.; tungsten silver and tungsten copper products for electronic appliances. Cemented carbide products include cutting tools such as cutting, grinding, milling, drilling, planing, wear-resistant parts, nozzles, spheres, anti-skid spikes, molds, structural parts, seals, bearings, high-pressure and high-temperature resistant cavities, top hammers, and other standard and customized high-hardness, high-strength, strong acid and alkali resistant high-performance products. Molybdenum products include molybdenum oxide, molybdenum powder, molybdenum and alloy sintering materials, molybdenum crucibles, molybdenum boats, TZM, TZC, molybdenum wires, molybdenum heating belts, molybdenum spouts, molybdenum copper, molybdenum tungsten alloys, molybdenum sputtering targets, sapphire single crystal furnace components, etc.

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