China Gold Supplier for Polyester/PVDF Prepainted Aluminum Coil for New Zealand Manufacturers

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We believe in: Innovation is our soul and spirit. Quality is our life. Customer need is our God for China Gold Supplier for Polyester/PVDF Prepainted Aluminum Coil for New Zealand Manufacturers, We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!


Technical Specifications
♦ Thickness: 0.06mm~1.0mm
♦ Width: 20mm~1590mm
♦ Material (alloy): 1100, 1050, 1070, 3003, 3004, 3105, 3005, 5005, 5052, 5754
♦ Surface Paint: PE, PVDF and special paints.
♦ Outside Diameter: ≤ 1500mm
♦ Inside Diameter: 405mm, 505mm, 150mm, 75mm
♦ Per Coil weight: ≤ 4000kg

The main material of PVDF is polyvinylidene fluoride resin; the utmost negative characteristic of the Fl atom can form a very strength high powerful Fl-C bond. Moreover, with the special symmetry molecule structure, the products are of strong weather resistance performance, anti-ultraviolet performance, super long durability and anti-corrosion performance, which can maintain very bright and glossy color even serving for 20 years in indoor environment. Attributing to the abrasion resistance and impact resistance and flexibility, our products are of excellent mechanical processing performance. PVDF coated aluminum coils are the highest priority of choice to high class aluminum composite panels, and its composite products are widely used in airport, exhibition center, administration center, star hotel and other symbol building.

Application for Polyester/PVDF Prepainted Aluminum Coil:
Suitable to construct curtain walls, ceilings, store faces, wallsand cellular panels

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    Ultrasonic Waves. Principles and Science.

    Ultrasonic waves and sound waves are fundamentally the same. A hand pistol (gun) is fired. A man plays a mouth harmonic. Another man plays a drum, a hand compresses the drum head. A burning candle is placed on the side of the drum, as the drum head is hit, air blows out the candle flame. The drum head is hit with drum sticks. A tuning fork vibrating. A loud speaker vibrating, as it vibrates it imparts energy to the air in such a way that a candle is blown out. Another loud speaker emitting low and high frequencies. A diagrammatic representation of the normal range of human hearing. “Ultrasonic waves”. An outstretched bat. Bats hanging upside down. Close up of a bat’s ear. Bats flying inside a barn. A dog walks along a country path, a man wearing a raincoat and carrying a shot gun walks behind the dog. The man blows on the ultrasonic whistle, close up of the ultrasonic whistle, the dog running. Drawing of a ship or of a submarine, the ship produces a beam of ultrasounds to the bottom of the sea. An ultrasound generator is loaded from a ship onto the sea, the power is switched on. Close up of a man observing the ultrasound reflection on a machine. Close up of a transverse section of a loud speaker. Close up of the loud speaker. A man stands next to a power unit and holds a wave generator (a magneto-Strictor). Close up of the Magneto-Strictor. A man stands next to a special Magneto-Strictor which is composed of nickel coils wrapped with solenoid winding. Close up of the dial indicator which measures the expansion of the coil when the current is turned on. Close up of the current being turned on. Close up of the dial indicator measuring the expansion of the coil. A magnified close up of the coil to show that it vibrates. Close up of the coil of a crystal transducer, another type of wave generator. Diagram illustrating the ordinary loudspeaker frequency range, the Magneto-Strictor frequency range and of the quartz crystal transducer. A loud speaker spreads sound in all directions. A crystal transducer is placed in a water tank, and a reflector is placed in front of the transducer, a screen is placed outside in front of the tank and the room is darken. A mercury lamp is directed to create a shadow of the transducer and reflector. Close up of the power unit. Close up of the ultrasonic shadows, they appear as vertical lines on the screen . Close up of the shadow of the ultrasonic waves. A concave mirror is placed in the tank in front of the transducer, the ultrasonic waves produce a water fountain. Shadow photography shows how the waves are focused by the concave mirror. Top view of the tank revealing the position of the transducer, mirror and beam. A candle flame is held above a drum head while it is beaten, a trofet? is placed above the drum head and the flame gets blown out. A glass funnel concentrates ultrasonic waves, these concentrated ultrasonic waves carry enough energy to light a cigarette. A man smokes a cigarette lit by the ultrasonic waves. Close up of the man’s mouth inhaling and expelling cigarette smoke. Close up of a funnel shaped Magneto-Strictor drill. Carbon mixed with water is placed on top of a glass plate, the glass plate is drilled by the funnel shaped Magneto-Strictor drill. Close up showing the drilling. An underneath shot shows the shape of the drill as it drills the glass. A microscopic shot of the drilling, tiny pieces of glass are seen been chipped away. The drill comes through the glass. A view of the drill being lifted from the cut glass, and a close up of the cut shape. Close up of a ship’s propeller showing signs of surface pitting (cavitation). Cavitation is described in the laboratory using a Magneto-Strictor: A piece of glass coated with aluminium is placed in the water tank 1/2 inch away from the Magneto-Strictor, as soon as the power is turned on, one can observe the aluminium being eroded from the surface of the glass. A close up of the ultrawaves eroding the aluminium, cavitation bubbles tear at the aluminium. Close up showing a hole being torn on the aluminium surface. A man pours water into a beaker containing oil, the oil will not mix with the water, however when a Magneto-Strictor with a long probe is put into the beaker, the cavitation action mixes the oil and water. Close up of cavitation mixing oil and water. A summary follows: diagram representing the various ranges of ultrasonic waves, two wave generators (a crystal transducer and a Magneto-Strictor), close up of ultrasonic waves captured by shadow photography, Magneto-Strictor drill drilling into glass, ultrasonic equipment.

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