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Metallized films (or metallised films) are polymer films coated with a thin layer of metal, usually aluminium. They offer the glossy metallic appearance of an aluminium foil at a reduced weight and cost. Metalized films are widely used for decorative purposes and food packaging, and also for specialty applications including insulation and electronics.

PET is a hard, stiff, strong dimensionally stable material that absorbs very little water. It has good gas barrier properties and good chemica...

Metal band saw is equipment for metal cutting solutions with high quality and well performance in woodworking industry. This device can be applied in many functions and operations to meet your versatile projects. I will share my experiences with you when using a horizontal/vertical metal band saw: I got this tool for a special job, the blade this machine came with is useless, and you could not cut a bar of soap perfectly straight.

How ever if you purchase an American blade which these guys ...

Horizontal bandsaws hold the workpiece stationary while the blade swings down through the cut. This configuration is used to cut long materials such as pipe or bar stock to length. Thus it is an important part of the facilities in most machine shops. The horizontal design is not useful for cutting curves or complicated shapes. Small horizontal band saw machine typically employ a gravity feed alone, retarded to an adjustable degree by a coil spring; on industrial models, the rate of descent is...

Today MFC Oil Seal has possessed rubber formulas more than any other oil seal manufacturers in Taiwan which has further consolidated our leading position in providing wide varieties of products and solutions to the end customers. Within NTK and PIA product ranges, oil seal is just one of our product mainstreams. O-rings, chain tensioners and guides, boots, vibration dampers, manifolds, packings, gears and bushes are among MFC Oil Seal's products portfolio.

Bearing Products MFC has one of...

There are several common methods out there for powering LED's. Why all the fuss? It boils down to this:1) LED's are very sensitive to the voltage used to power them (ie, the current changes a lot with a small change in voltage)2) The required voltage changes a bit when the power LED driver is put in hot or cold air, and also depending on the color of the LED, and manufacturing details. So there's several common ways that LED's are usually powered, and i'll go over each one in the following st...

NdFeB magnets, a permanent magnet made from an alloy of neodymium, iron and boron to form the Nd2Fe14B tetragonal crystalline structure can be used as an ideal magnet in mini-motor, sensors, audio speaker or auto parts, etc. The surface treatment methods include Zine, Nickel, Tin, Silver, Phosphor and Spray Epoxy Resin, etc. As a kind of permanent magnet, NdFeB magnet is one of the most-used types of rare-earth magnet.

Because NdFeB magnets possess greater strength among much more smaller a...

On linear power supplies, the switch mode power supply is set to deliver its maximum power, even if the circuit that is connected to it isn’t pulling a lot of current. The result is that all components are working at their full capacity, even if it isn’t necessary. The result is the generation of a greater heat.

The main advantage of this method is greater efficiency because the switching transistor dissipates little power when it is outside of its active region (i.e., when the transisto...

A switch mode power supply designed for AC input can usually be run from a DC supply, because the DC would pass through the rectifier unchanged. If the power supply is designed for 115 VAC and has no voltage selector switch, the required DC voltage would be 163 VDC (115 × √2). This type of use may be harmful to the rectifier stage, however, as it will only use half of diodes in the rectifier for the full load. This could possibly result in overheating of these components, causing them to f...