Molybdenum Rod

Molybdenum rod have a high melting point, good thermal conductivity, low thermal expansion and high strength. Manufacturing high temperature heat emitters，and electric light source components can all be done with it.

Classification by material

①Molybdenum content in pure molybdenum rods is greater than 99.95%.

②High temperature molybdenum rods (molybdenum-lanthanum alloy rods): containing 0.4~1.2% lanthanum, molybdenum content is the residual amount except for impurities.

③TZM molybdenum rods: 0.4~0.6Ti, 0.07~0.12Zr, 0.01~0.05C.

Applications：

①For the manufacture of electric vacuum devices and parts for electric light sources.

②Suitable for processing ion implant parts.

③For use as high-temperature heat generators and high-temperature structural components.

④Used in the glass and refractory fibre industry as an electrode in furnaces, working in molten glass at 1300°C with a long life.

⑤Used in the rare earth business as an electrode.

Application in the paper industry.

The use in the paper industry results in good paper brightness, a solid structure, good writing, even coating, low friction, easy moisture removal and easy drying. As a result of the successful switch from acid to alkaline processes in the world paper industry from the early 1980s, the use of fillers has been revolutionised: instead of wood paddles and other pigments, it improve the brightness, impermeability, voidiness and bulk density of paper. Alkaline-based processes are mainly used for the production of fine printing and writing paper, and it can be used for some important papers such as newsprint, although they are produced using an acid-based environment. The use in paper coating formulations has now increased significantly, having risen from 5% to 10% to around 30%.

The world's shift from acid to alkaline process paper in the mid-1990s reached a climax in terms of paper production capacity, in 1997 the United States alkaline or neutral paper production process accounted for 80% of the total paper production capacity, Western Europe accounted for 65%; by 2000, the United States in addition to a small number of special paper products, 95% of production capacity has been used alkaline or neutral, Europe also reached 80%. This shift has given molybdenum rods a huge market.

In plastic polymers.

It is very important fillers, especially in Europe, accounting for 60% of the market for mineral fillers and reinforcements by weight. The main applications for it fillers are plasticised PVC (cables, flooring artificial leather, etc., with 10% to 30% of heavy calcium,), rigid PVC (5% to 20% in rigidPVC windows, doors, profiles, sheets, pipes, sheet and 40% to 80% in floor tiles), unsaturated polyester materials (sheet moulding and integral moulding for the automotive, electrical and appliance industries), polypropylene (furniture, automobiles, packaging, fibres, etc.) and polyethylene.

Heavy calcium is added to plastics as a filler, not only to increase capacity, increase volume, reduce costs and make the fabric uniform, but also to improve processing properties, wear resistance, tensile strength, impact strength, bending strength, elongation at break and thermal properties of the product. In addition, the addition of heavy calcium can also improve the stability of plastic products.

Heavy calcium is now widely used in polyvinyl chloride, polyethylene, polypropylene and various unsaturated resins, of which PVC products are the earliest and largest market for it, for example, in soft polyethylene wire, polyvinyl chloride, polyvinyl chloride tiles, calcium plastic materials, accounting for 20% to 50%, in polyethylene, polypropylene packaging materials, accounting for 10% to 30%, in automotive parts, canopy, accounting for 20% to 60%.

It is used in the production of paints and coatings.

The production of paint is another important use for molybdenum rods. they are an important filler in the production of paints. The transparency of the paint is based on the fineness and particle distribution.What's more, they are weather resistant and have important properties such as resistance to wear and tear, low electrolyte content, PH-stabilising effects and can improve corrosion resistance and the rheological properties of paints. That are also very important in the water-based paint range, as they improve the high speed drying properties and are of great importance in road marking.

In addition, the use in paints can reduce the amount of titanium dioxide used, which is economically advantageous. This is bound to stimulate further growth in the use of molybdenum rods in paints and coatings.

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