What is onion powder?

作者:admin    来源:未知    发布时间:2019-06-13 14:24    浏览量:
Glitter, also known as glitter and glitter powder, is formed by electroplating, coating and precision cutting of PET, PVC and OPP metal aluminum film materials of different thicknesses with extremely high brightness due to large specifications, also known as glitter glitter. Onion powder can be produced from 0.004mm-3.0mm in particle size. The environmental protection should be made of PET. Its shape is quadrangular, hexagonal, rectangular, prismatic, etc. Onion powder colors include laser silver, laser gold, laser color (including red, blue, green, purple, pink, black), silver, gold, and color (red, blue, green, purple, pink, black) magic color series. Each color system is covered with a surface protective layer, which is bright in color and has certain resistance and temperature resistance to mild corrosive chemicals of climate and temperature.
Basic introduction

As a unique surface treatment material, onion powder is widely used in Christmas crafts, candle technology, cosmetics, screen printing industry (cloth, leather, footwear-footwear, New Year pictures series), decorative materials (craft glass art, polycrystalline glass; Crystal glass crystal ball), paint decoration, furniture painting, packaging, Christmas gifts, toy pens and other fields, its characteristic is to enhance the visual effect of the product, make the decorative part concave and convex have layers, more stereo feeling. And its highly flashing characteristics make the decorations more dazzling and more colorful.
There are also cosmetics, as well as eye shadow in the cosmetics field, nail polish and various nail art supplies, which are widely used.
Onion powder is widely used in food packaging industry because of its bright effect formed by plastic film and coating. However, onion powder is strictly prohibited from being added to food.
With the continuous development of science and technology, the application of onion powder in various fields will be more and more extensive.

Editors of Quality Product Standards
The varieties, colors, specifications and high quality of onion powder on the market are reflected in the following major indicators:
1. High brightness: judging from the brightness of the surface layer, high-quality onion powder has high brightness, high brightness and obvious mirror effect.
2. Shape Uniformity: High-quality onion powder. Under a microscope, the shape of the onion powder is uniform, with a standard hexagonal shape. There is no difference in size and powder.
3. Strong acid and alkali resistance: high-quality onion powder is soaked in strong acid and alkali liquid for a long time to keep its color bright.
4. High-temperature resistance: The golden onion powder is top grade if it does not fade or partially fade after cooking at high temperature. This method is mostly used to identify onion powder used for onion glue and nail polish.
Major type editing
PET, PVC onion powder
The product consists of vacuum metal polyester plastic film, and its color layer is thermosetting cross-bonding epoxy layer, which can produce a wide range of colors, and can be applied to various materials such as wood, paper, cloth, metal, leather goods, ceramics and the like by silk screen printing, coating and spraying. Form special and striking effects such as decoration or light reflection. Pvc onion powder is not resistant to high temperature (60℃), acid and alkali. Pet onion powder is resistant to high temperature (190℃), acid and alkali.

Metal onion powder
The product is made of extremely thin aluminum foil, and its color outer layer is thermosetting cross-bonding epoxy layer. Glitter is suitable for many soluble materials and can also be applied dry. Metal onion powder is an ideal material for plastic products, with temperature resistance of 250℃ and acid and alkali resistance.
Magic Color Series Onion Powder
The product is a unique colorful onion powder and does not contain metal components. However, due to the optical characteristics of the polymer film that makes up the product, the product has metal color changes, luster and obvious color changes. It is especially suitable for printing, craft industry, cosmetics and jewelry to make products have changeable color appearance.
Laser Series Onion Powder
This product is made of imported high-brightness and high-gloss laser original film, coated and colored at high temperature, and cut by professional precision machinery to form sequins with uniform specifications and shapes. The original film is generally an environment-friendly PET laser film. The price of the prepared laser onion powder is relatively high. As the reflective effect of the laser onion powder is better than that of the common onion powder, it is generally used in injection molding, glass building materials and other industries to make its luster pass through the surface.
Common product specifications:
Four corners: 0.1mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.8mm, 1.0mm, 3.0 mm.
Hexagon: 1/500(0.05mm), 1/360(0.07mm), 1/256(0.1mm), 1/170(0.15mm), 1/128(0.2mm), 1/96(0.3mm), 1/ 64 (0.4 mm), 1/40 (0.5 mm), 1/32(0.6mm), 1/24(0.8mm), 1/20(1.3mm), 1/4 12(2.0mm) 、1/10(2.5mm)、1/8(3.0mm)1/6(5mm)0.175 1/4(6.0mm)0.20
Wires: 0.3x1.5mm, 0.3x3mm, 0.3x4.7mm, 0.2x1.5mm \ 0.2X1mm \ 0.1X0.8mm

The whole production process of common onion powder is specifically divided into five parts, namely vacuum electroplating, high-temperature coating and printing, material striping, powder cutting, powder sieving and powder removing, etc., and finally weighing, packaging and shipping. The core process that determines the product quality is the production process of high-temperature coating and printing. This process will determine the brightness, high-temperature resistance and solvent resistance of onion powder.
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