Shielding effect of the shielding case is measured by magnetic field intensity attenuation degree of device or component after shielding. After shielding, the magnetic field intensity attenuation rate is the functions of materials’ permeability, thickness and size of the shield function. High magnetic permeability material’s price is higher than the low magnetic permeability material, but if the shielding effect of the single layer of high magnetic permeability material and a multilayer material of low magnetic permeability are the same, then you could choose the thin material of high magnetic permeability, which will be more economical. Tungsten alloy shielding box, lead shielding box are widely used, but the effect of tungsten alloy shielding case is better than lead shielding case, although the thickness of tungsten alloy shielding case is thinner than lead shielding case.

 

Tungsten Alloy Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-alloy.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

The Materials for shield includes high density tungsten alloy, lead, iron, etc, depending on the different field and application to select a different shield material.

If the shield has budget control, then you could choose lead as the material of the shield, but if the shield is the point of application which needs limited space, so you need to choose tungsten alloy shield which is thin, and has good shielding performance. For very low frequency electromagnetic field changes (such as frequency 50Hz), you have to use a ferromagnetic material to shield, like shielded power transformer, you can choose iron to shield which has good magnetic permeability.


Tungsten Alloy Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-alloy.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

As can be seen from the chart, although the thickness ratio of the tungsten shield is smaller than lead shielding, the attenuation multiples of tungsten shield is higher, so we can obtain that tungsten shield is better.

Tungsten Alloy Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-alloy.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

High purity tungsten is soft texture, the project is usually mixed with Ni, C and other elements to replace pure tungsten, tungsten alloy is heavy alloy, it inherits the characteristics of good tungsten, enhances its hardness, and maintains a good shape. The following table lists the attenuation coefficient of tungsten nickel and lead to different energy photons.

As can be seen from the graph, the attenuation of the different photon energy is 10 times, the thickness of the tungsten alloy is smaller than lead shielding.

Tungsten Alloy Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-alloy.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

Structural of lead is poor, and not resistant to high temperature. When lead used to manufacture container, screen activity, lead bricks, it is necessary to use the steel to make skeleton structure, otherwise, it will collapse of its own weight.

The atoms coefficient of tungsten is 74, which is one of natural high density elemental metal. Tungsten and lead production are applied to the shield member, but density of lead is smaller than tungsten (the density of lead is 11.34g/cm3, tungsten density 19.25g/cm3), shielding performance is worse than that of tungsten, besides, lead is toxic, it harms the environment and human health, so tungsten shield gradually replace lead shielding, the best choice of the shield.
 

Tungsten Alloy Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-alloy.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

As it can be seen from the following chart, the performance of tungsten shielding is much larger than the lead. As far as research, shielding properties of materials are closely linked with the density, the greater the density, the better the shielding properties of the material. From the above chart we can see that the density of tungsten is 1.5 times denser of lead, so shielding properties of tungsten is better. Moreover, lead is toxic and potentially mixing hazardous waste, it is harmful to the environment.





Tungsten Alloy Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-alloy.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

With the heavy density of 19.25g/cm3, similar to the density of real gold, tungsten alloy material is widely used as gold substitution for gold-plated tungsten alloy gift nowadays.

Gold, silver, or platinum, or more commonly zinc or nickel are used as alloys in most jewelry, however, if you choose tungsten golden jewelry as gold substitution, which could keep you away from the allergic of real gold, because tungsten golden jewelry and gold-plated tungsten jewelry are hypoallergenic. This means that you will no longer have to deal with rashes and discolored skin from wearing your tungsten golden jewelry.

There are many kind of tungsten golden jewelry such as gold-plated tungsten ring, gold-plated tungsten earring, gold-plated tungsten chain, gold-plated tungsten bangle, gold-plated tungsten bracelet, gold-plated tungsten pendant, etc. Of course, gold-plated tungsten jewelry and tungsten golden jewelry could be used as free golden sample for your testing.


Tungsten Alloy Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-alloy.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email:  sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

1: The distance tungsten alloy fishing sinkers and hooks should be appropriate: fishing sinkers and hooks from the general to the city inch 1 inch or 1 is appropriate, when the target for the big fish, need to lengthen the distance between the fishing sinkers and hooks. Fishing sinkers and hooks in the distance, it will affect the success rate of fishing: when the distance is too long, floats reaction when fishing is slow, can not be timely closing line; When the distance is too short, easy to hit the fish head, so that is not hooked fish run away.

2: The size of the tungsten alloy fishing sinkers and severity, with fishing line hooks should be supporting. crude hook with crude falling and thick line; thin hook with thin fall. and thread.When carp fishing sinker beans can be slightly larger than the half-hearted.

3: tungsten alloy fishing sinker should be consistent with the water quality. In freshwater, tungsten alloy fishing sinker optional weight of 1/8 oz to 1/4 ounce, in deep water, tungsten alloy fishing sinker weight optional 3/8 ounces to 5/8 oz.

4: tungsten alloy fishing sinkers and supporting the use of bait. In deep sturdy  bait.


Tungsten Alloy Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-alloy.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

Tungsten alloy shield used in radiation shield, collimator, MLC, anti-tank spoke on behalf of uranium materials, shielding container inspection systems, geological survey gamma ray shielding, detector γ-ray shielding, etc. Tungsten alloy shield materials list as follows:


 

Tungsten Alloy Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-alloy.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

With the development of science and technology, more and more radiation in our lives, X-rays, gamma rays, α-rays, and β-rays. For people's health, shields and the materials are more and more paid attention. Tungsten alloy shield advantages are:

1. High density. Based on the research, the greater the density of the material, the better the shielding performance. The density of  tungsten is 2 times bigger than lead.

2. Environmental friendly. Tungsten alloy is environmentally friendly, but the original material, lead, is heavy metals pollution, which is great harm to the environment and the human body.
 

Tungsten Alloy Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-alloy.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn