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Powder coating is a type of coating that is applied as a free-flowing, dry powder. Unlike conventional liquid paint, which is delivered via an evaporating solvent, powder coating is typically applied electrostatically and then cured under heat or with ultraviolet light. The powder may be a thermoplastic or a thermoset polymer.
Electrostatic coating. Electrostatic coating is a manufacturing process that employs charged particles to more efficiently paint a workpiece. Paint, in the form of either powdered particles or atomized liquid, is initially projected towards a conductive workpiece using normal spraying methods, and is then accelerated toward the work piece by a ...
Spray painting is a painting technique in which a device sprays coating material (paint, ink, varnish, etc.) through the air onto a surface. The most common types employ compressed gas—usually air —to atomize and direct the paint particles. Spray guns evolved from airbrushes, and the two are usually distinguished by their size and the size ...
Phosphate conversion coating. Phosphate conversion coating is a chemical treatment applied to steel parts that creates a thin adhering layer of iron, zinc, or manganese phosphates, to achieve corrosion resistance, lubrication, or as a foundation for subsequent coatings or painting. [1] [2] [3] It is one of the most common types of conversion ...
The FN 303 P is the pistol version of the FN 303, and is intended for use by police and military forces for riot control. It uses the 8.5 gram, .68 caliber less-lethal cartridges by FN. The projectiles utilize a fin-stabilized polystyrene body and a non-toxic bismuth forward payload to provide more accuracy and greater effective range.
A Ming ship armed with cannons, 1637. The Ming dynasty continued to improve on gunpowder weapons from the Yuan and Song dynasties as part of its military. During the early Ming period larger and more cannons were used in warfare. In the early 16th century Turkish and Portuguese breech-loading swivel guns and matchlock firearms were incorporated ...
A rotary atomizer is an automatic electrostatic paint applicator used in high volume, automatic production painting environments. Also called a 'paint bell', "rotary bell atomizer" or 'bell applicator', it is preferred for high volume paint application for its superior transfer efficiency, spray pattern consistency, and low compressed air consumption, when compared to a paint spray gun.
A rack of Japanese tanegashima (matchlocks) of the Edo period, Himeji Castle, Japan. Firearms were introduced to Japan in the 13th century during the first Mongol invasion, referred to as teppō. [1] Portuguese firearms were introduced in 1543, [2] and intense development followed, with strong local manufacture during the period of conflicts of ...