![<?echo $_SERVER['SERVER_NAME'];?>](/template/twentyseventeen/skin/images/header.jpg)
The color of sapphire, in addition to the quiet blue, and the dreamy sweet powder, lively and bright yellow, clean and elegant white, naturally refreshing green. Summer is quietly approaching, cool summer dress is always a little less color embellishment, sapphire colorful temptation, you resist it? So the question is, if you want to start sapphire, how to buy? Jingshi Lingcai joined to tell you some little common sense about sapphire.
First, the more pure and colorful the color, the better the quality
The value of sapphire is mainly in color. The combination of Jingshi Lingcai believes that the sapphire color is purer and richer, the better the quality, but it cannot bring black and blue.
Look at gemstones under natural daylight and artificial light sources. High-quality sapphires should be transparent. When you turn the sapphire, you can see the pulsating light, but it will be darker under normal daylight.
In terms of color, there are two most valuable sapphires, one is royal blue, the fresh blue is purple, and the other is cornflower, indigo and purple.
Jing Shiling spokesperson Liu Jialing
Second, discriminate the clarity to see impurities, defects and cracks
The clarity is to see if there are any impurities, flaws and cracks. Natural gemstones are always somewhat contaminated, and many synthetic sapphires are clean and flawless, and their color is glaring.
Sapphire is generally less sputum. In general, colored gems are acceptable if they are not visible under the naked eye.
Third, whether the cutting is superb
Exquisite cuts can maximize the beauty of the gemstones, such as the faceted gemstones of the spar, the facet symmetry, and the harmonious proportion of the overall gemstone cutting, making the gem shine.
Fourth, sapphire hardness is high, can be cut glass
Sapphire is the hardest mineral except diamond. The hardness of a diamond is 10, the hardness of a sapphire is 9, and the hardness of a crystal is 7. Sapphire can be used to draw glass, and imitations cannot mimic the hardness and density of sapphire. Just like the unique brilliance and exquisite craftsmanship of Jingshi Lingcai, it is impossible to present imitations.
Jingshi Lingcai franchise store
5. What is burnt and burned?
Was it dizzy by the strange words of burning without burning? Joining Jingshi Lingcai allows you to understand the terminology. No burning is a natural sapphire that has not been optimized. Burning means that the color of the gemstone is changed by heat treatment to the natural sapphire level, which is optimized for sapphire, also called heat treatment.
This method is very common, it does not change the structural texture of sapphire, it can be said that 90% of the sapphire on the market is optimized, very few natural.
The Waterproof and oil repellent fabric is also called [breathable fabric". It is a functional fabric that combines oil-proof, waterproof, moisture-permeable and warm-keeping properties after PU coating or film coating. It can resist the invasion of rain and stains. The body's hot air and sweat can be discharged in time to keep the body dry, warm and comfortable.
The Waterproof and oil repellent fabric produced by Xinke Protective has excellent waterproof and moisture permeability. The products have been tested by the authoritative testing institutions SGS and ITS. The water pressure resistance can reach 10000 MM or above and the moisture permeability can reach 8000g/m2 for 24 hours.
Of course, you can also combine anti-static fabric and flame retardant fabrics or insect repellent fabric to combine their functions to choose the right multi-functional fabric.
Water Oil Repellent Fabric,Repellent Fabric,Waterproof Fabric,Oil Repellent Fabric
Xinxiang Xinke Protective Technology Co, Ltd. , https://www.coverallsuit.com