Hard gold refers to physical gold, but it is a "hard" gold made with new methods. Its texture teaches ordinary gold to be harder. Also known as "thousands of hard gold." 0.005% is added with a special metal to increase the hardness to achieve the corresponding hardness.
The difference between hard gold and thousand gold: It is understandable that hard gold is actually one of many gold. Anyone with gold jewelry knows that gold has a characteristic that the texture is soft. Of course, this feature is also a way to identify the true and false gold. standard.
Hard gold but it is made of "hard" gold made in a new way. Its texture teaches ordinary gold to be harder. So the industry called it "hard gold." Hard gold is actually an alloy. Although there is a gold component, the color is not as bright as a thousand. After all, there are some other metal substances.
The gold-containing gold score of not less than 999 is called the thousand-foot gold, which is the highest value in the naming of jewelry.
The outside storage of large operational and resilience salt piles is a common feature for salt mines, salt suppliers.Our phthalate-free salt pile cover prevents your salt pile off UV, moisture, rain, dust and contamination.It is a polypropylene based fabric coated with a special polyolefin coating make it environmental friendly, PVC free and no Plasticizer and Chlorine. 40% less weight than PVC. Excellent waterproof , mildew and acid resistant. Works under low temperature and will not crack like PVC.
salt tarp, recyclable, lightweight
Jiangsu Naisi New Material Technology Ltd. , https://www.igreentarps.com