wholesale fancy jewelry quotes How thin is thin and thick.
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wholesale fancy jewelry quotes How thin is thin and thick.
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wholesale nice jewelry The thickness of organic glass is generally about 0.5cm to 5cm. Polymel acrylic methyl is referred to as polymer obtained by acrylic acid and its polymer. Among them, polymethylene pheasitetic methyl applications are the most widely used. Polyetic acrocylite rehydration is code -named PMMA, also known as acrylic or organic glass. It is mostly known as Agelle gum in Hong Kong, which has high transparency.
It in terms of sanitary ware, organic glass can be made of bathtubs, washbasins, and cosmetic tables. Because the organic glass bathtub has the characteristics of luxurious appearance, depth, easy cleaning, high strength, light quality, and comfortable use, etc., it has been widely used.
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1, colorless transparent organic glass: the most common and most usable organic glass material.
2, color transparent organic glass: commonly known as color board. The light transmittance is soft, and the light boxes and crafts made by it make people feel comfortable and generous.
3, pearly organic glass: It is made of pearl powder or fluorescent powder with general organic glass. This kind of organic glass is bright, with high surface smoothness, and the outer form is heated by the mold. Even if it is flattened, the mold is still kept on the pattern to form the artistic effect of the single object. Use it to make characters, animal shapes, trademarks, decorations and publicity exhibition materials.
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① High transparency. Organic glass is currently the best high molecular transparent material, with a light transparency of 92 %, which is higher than the glass transmittance. The lamp tube called the solar lamp called the artificial little sun is made of quartz, because quartz can completely pass the ultraviolet rays. Ordinary glass can only pass 0.6 % of ultraviolet rays, but organic glass can pass 73 %.
② High mechanical strength. The relative molecular mass of organic glass is about 2 million, which is a polymer compound of a long chain, and the molecular chain is very soft. Therefore, the strength of the organic glass is relatively high. 18 times. There is an organic glass that has been heated and stretched, and the molecular chain segments are arranged in order, which significantly improves the toughness of the material. Nail with nails into this organic glass, even if the nail penetrates, no cracks are produced on the organic glass. This organic glass will not be broken into pieces after the bullets are penetrated. Therefore, the stretching organic glass can be used as a bulletproof glass, and it is also used as a cockpit cover on a military aircraft.
③ Light weight. The density of the organic glass is 1.18kg/dm3. The material of the same size is only half of the ordinary glass and 43 % of the metal aluminum (belonging to light metal).
④ easy to process. Organic glass can not only cut the lathe, drilling the machine drilling, but also can be used to use acetone and chloroform into various shapes. It can also be processed into plastic -shaped methods such as blowing plastic, injection, and extruded into an airplane. The cockpit cover is as small as denture and dental support.
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The thicker the more expensive
The distance between the surface of the silk mesh and the bottom surface is generally at the surface of the silk mesh. μm) Measurement. The thickness should be the measurement value of the silk mesh when there is no tension. The thickness is determined by the diameter of the composition of the silk mesh.
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