1, urea buckle, a kind of resin deduction, is currently the most common medium-to-high-end suit button, scientific name is called urea-formaldehyde resin deduction. It reacts with formaldehyde under the action of basic catalysts such as urea and ammonia, and forms a button shape after polycondensation into urea formaldehyde resin. 2. Fruit Buckle, Fruit Buckle refers to any button made from raw materials such as natural fruit, fruit hull, etc. Currently, it is mainly used for high-grade suits on ivory fruit buckles. Ivory fruit (Corozo nut, also known as vegetable ivory, palm ivory, corozo , tagua) is the fruit of a palm tree that grows primarily in southern Panama, Ecuador, and Bolivia. After the fruit is fully ripe, it is dried in the tropical sun. After about a month, it will become a milky, hard substance that resembles ivory. After being completely dried, the ivory firmness is the same as that of ivory and its color is similar to 1.5. Therefore, it can be used as an alternative to ivory products. Many domestic players now use ivory fruit as raw materials, carved into a variety of handicrafts, and of course, posing as ivory carvings. 3, metal buckles, including electroplated metal film buckle and pure metal. Pure metal has brass buckles, silver buckles, gold-plated buckles, and alloy buckles. Common colors include metallic silver and gold. 4, shell buckle, also known as the mother of deduction, the use of shells have a pearl luster polished button. 5, horn buckle, common high-end suit is the most commonly used natural horn buckle, usually more than a black buffalo horn. Want to learn more about buttons: accessible For more details, please pay attention to WeChat public number: Men'S Pants,Men'S Fleece Pant,Men'S Cotton Pant, Jeans Pant Ningbo Sunyu Fashion Co.,Ltd , https://www.sunyucollection.com