Gold Plated Tungsten Price

What Kind of Material of the Dart

Details: Category: Tungsten Information; Published on Friday, 30 January 2015 16:16; Written by xsh; Hits: 479

Someone ask the questions: "How high do I hang my dartboard?" or "What dart should I buy?" Considering I'm still get the question number one and I've had that information posted at this site for a very long time, I know this will not eliminate the second question altogether, but I should cut down on the amount of them. I was going to split this page up into two parts, soft & steel, until this little light went off and I realized the only difference between the two points and weights. So one page and it has been divided into the following.

Wooden Dart
You never see these around, but they are a lot of fun to throw with. They are made of lightweight wood shaft with turkey feather flights (no parts to replace). I have four sets and I ordered from Al's American Darts for using with their wooden dartboard. They weigh around 12 grams so they really aren't that much lighter than electronic darts. They work just fine with any bristle board.

Nickle - Electronic
Nickel-silver is yet another light dart that it is an alloy consisting of nickel, coppering and zincing. Like brass, it is easy for manufacturers to shape too.

Tungsten - Electronic
Tungsten, unlike brass and nickel-silver, it is a very heavy and dense metal.and t is usually mixed with nickel ,so you will see on a package something like 80-20 (80% tungsten/20% nickel). It is harder to work with but will last longer than the other two (especially the knurling). On average, a 20 gram tungsten dart will be ½ , the size of a 20 gram brass dart which will allow for tighter groupings on the board. This is the reason why most of the really good throwers use tungsten darts, but if you're just starting out, you won't be throwing tight groupings anyway, regardless of the dart you're using.

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How to Chose a Suitable Dart

Details: Category: Tungsten Information; Published on Friday, 30 January 2015 15:33; Written by xsh; Hits: 492

How to chose a suitable dart ?The best tungsten dart may can afford the good feeling when we play. If you have long fingers you may flavor a long dart. If you have small fingers you may favor shorter dart.

There are some tips for you:

Steel Tip Darts: It is a steel tip point that fitted to the barrel and thrown into a paper or bristle dartboard.

Soft Tip Darts: It is a flexible plastic tip which is thrown into a plastic or digital dartboard which has many small holes retaining the dart.

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Tungsten Oxides

Details: Category: Tungsten Information; Published on Thursday, 29 January 2015 17:53; Written by cq; Hits: 469

Intermediates, such as tungsten trioxide, tungsten blue oxide, tungstic acid, and ammonium metatungstate can be derived from APT as shown below, either by partial or complete thermal decomposition or by chemical attack.

Tungsten trioxide is almost exclusively manufactured by calcination of APT under oxidising conditions (in air). WO₃ is one of the most important, highly pure intermediates for the production of other tungsten compounds including tungsten metal powder. In the latter application, it was substituted to a large extent by tungsten blue oxide.

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Rhenium Tungsten Bar

Details: Category: Tungsten Information; Published on Friday, 30 January 2015 08:50; Written by Sherry; Hits: 455

Rhenium:

Rhenium resembles manganese chemically and is obtained as a by-product of molybdenum and copper ore's extraction and refinement. Rhenium shows in its compounds a wide variety of oxidation states ranging from −1 to +7.Nickel-based superalloys of rhenium are used in the combustion chambers, turbine blades, and exhaust nozzles of jet engines, these alloys contain up to 6% rhenium, making jet engine construction the largest single use for the element, with the chemical industry's catalytic uses being next-most important. Because of the low availability relative to demand, rhenium is among the most expensive of metals, with an average price of approximately US$4,575 per kilogram (US$142.30 per troy ounce) as of August 2011; it is also of critical strategic military importance, for its use in high performance military jet and rocket engines.

Rhenium Tungsten Bar Description:

Material:Rhenium-Tungsten

Shape:bar

Surface: grinding, cleaning, forging

Purity: >99.50%

Application:used to make artillery rockets, satellite airplane

Rhenium -Tungsten-Bar

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Tungsten Trioxide Uses

Details: Category: Tungsten Information; Published on Thursday, 29 January 2015 16:12; Written by cq; Hits: 481

Tungsten trioxide is widely used for many purposes in life. It is frequently used in industry to manufacture tungstates for fireproofing fabrics, for x-ray screen phosphors and in gas sensors. WO₃ is also used as a pigment in ceramics and paints due to its rich yellow color.

In recent years, tungsten trioxide has been employed in the production of electrochromic windows, or smart windows. These windows are electrically switchable glass that change light transmission properties with an applied voltage. This allows the user to tint their windows, changing the amount of heat or light passing through.

The composite showed a modest hydrogen production performance. In 2013, highly photocatalytic active titania/tungsten (VI) oxide/noble metal (Au and Pt) composites toward oxalic acid were obtained by the means of selective noble metal photodeposition on the desired oxide's surface (either on TiO₂ or on WO₃).

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