Classification, origin and technology of resin handicrafts? ? Traditional Christmas gifts and home decoration crafts. Its manufacturers are concentrated in Quanzhou, Shenzhen, Dongguan and other places. This handicraft takes silica gel as a mold, resin and stone powder are mixed evenly, then cast and molded, then washed with alkali and painted to get the finished product.
Garden bonsai crafts. These handicrafts are outdoor decorations, such as figures, artificial fountains and rockeries. The exterior of the silica gel mold is reinforced with gypsum or glass fiber reinforced plastic. This kind of handicraft has a large volume, and glass fiber, stone powder and steel bar are mixed as the skeleton in the production process. Large products need to be broken down into several parts and transported to the site for assembly.
Jade-like agate handicrafts. This handicraft is produced in Dongguan, Shenzhen, Zhejiang and other places, and the monthly consumption is about 500 tons. The product adopts silica gel mold and agate grade aluminum hydroxide as filler. According to the colors of natural jade and agate, change them into different shades of green and red. After casting, it is washed with alkali. After drying, the product is coated with bright oil.
Resin waist line crafts. The fillers used in this kind of products are stone powder and pebbles, which have great differences in length, width and thickness, and are easy to deform due to improper operation; Strict products must be baked and shaped, and the origin is concentrated in Foshan.
Lighting crafts. Lighting crafts include lampshades and lampholders. Lampshades are generally light-transmitting stones, and lampholders are silica gel. At the same time, stone powder and glass fiber are used and supported by steel bars. Due to the complex shape of the product, it is assembled by casting in parts, and the production area is concentrated in Zhongshan. ? Billiards handicrafts. The manufacturing process is to mix the resin and filler evenly, then pour it into the mold, and polish it after it is completely cured. The monthly consumption of resin for this kind of products is estimated to be 400 tons, and the production area is concentrated in Jiangmen.
Furniture casting fittings. Furniture accessories are divided into two parts. One part is small furniture accessories, which are carved to imitate wood grain and directly poured into imitation wood flowers. Second, the relatively large wooden-like tables and chairs, similar to the production methods of garden bonsai crafts, are concentrated in Dongguan and Foshan.
Artificial sandstone handicrafts and wall carvings. Products vary in size, with different types of fillers, mostly colored sand, and products are mostly used for wall sculpture. Large-scale murals are often designed and produced by domestic art colleges, with diverse varieties and leading technology. There are manufacturers in Guangdong, Jiangxi, Shanghai, Fujian, Jiangsu and Hubei.
Crystal resin crafts. This is a transparent handicraft, made of crystal resin, without filler. Some manufacturers pour more than 200 kilograms of products at a time, which is permeated with transparent color paste such as red and green. This kind of products is also called imitation glass crafts. Classification, origin and technology of artificial stone
Artificial stone industry is mainly concentrated in Guangdong, Fujian, Shanghai, Jiangsu and other places. Due to the less and less sources of natural ore production and the restrictions on blind mining, the demand for artificial stone has increased greatly. The artificial stone markets in Xiamen, Zhang Quan, Guangdong and Fujian are very large. After nearly two years of investigation on these two markets, it is found that there are the following products in the artificial stone market:
1. Near Dongguan and Shenzhen, artificial stone resin is used as the back rib layer of mosaic desktop, and all products are exported.
2. The translucent stone, the sorcerer's stone and some transparent lampshades near Zhongshan.
3. Artificial stone kitchens and bathrooms near Zhongshan, Heshan and Foshan.
4. The resin consumption of artificial stone plate enterprises such as Jinshi, Fujiashi, Ou Pai and Ou Athens accounts for more than 70% of the artificial stone resin in Guangdong market. There are many manufacturers of this kind of artificial stone plate in Guangdong, and the product quality is also uneven. The price of standard board (2440mm×760mm× 12.7mm) is too low, so it is not believed to use aluminum hydroxide powder as raw material. Some low-priced plates, with calcium powder as filler, have some defects such as deformation, cracking, poor pollution resistance and poor water resistance.
5. Artificial hillock stones and artificial quartz stones in Shanghai, Fujian and Guangdong. Artificial stone is also called engineering stone. At present, the popular hillock stone is made of two or more kinds of natural marble, which are crushed and mixed with resin and pigment, then synthesized and cast into a coarse material (square material) by vacuum oscillation and pressure, and then cut, fixed thickness and polished. If ordinary resin is used, the square material will crack, and the cost of a square material is about 6.5438+0.2 million yuan. Some enterprises have specially developed diamond resin with low viscosity and high strength. The pressed synthetic diamond has the characteristics of high hardness, high strength, good gloss, low water absorption and wear resistance, which can meet the export demand of enterprises. After the artificial hillock Shi Shana in Yunfu opened the market, the demand was in short supply. In just three years, the number of artificial Shi Gang production lines in Yunfu has increased from several to dozens. The ground decoration materials of newly renovated shopping malls in Shanghai, Hangzhou, Beijing and other places all use artificial granite. At present, artificial hillock is not as well-known as ceramic tile, but it has great market potential.
The production process of artificial quartz stone is similar to that of artificial hillock stone, but the difference is that the fillers used are high wear-resistant quartz sand and quartz powder, and the filler content is as high as 90%. Mohs hardness and scratch resistance are as high as grade 7, and its stain resistance, water resistance and fire resistance determine that it is a development direction of artificial stone plates. In recent years, the number of artificial quartz stone production lines in China has soared, and there are more than a dozen enterprises that produce quartz stone by vacuum casting, but the equipment is quite different and the quality is uneven. Some finished products have many bubbles: although they have high hardness, they are easily deformed as wall materials. The price of excellent quartz stone production line ranges from 6 million yuan to 6.5438+million yuan, and it is synthesized by vacuum vibration and pressure. The process is solidified in a medium-temperature drying tower, and the product has low gum content, dense texture and no pores. A few products with good quality are close to the Italian artificial quartz stone standard.
Overview of foreign brands and markets? ? Foreign quartz stone brands include Celeste, Caesars Stone, Xishilong, dawlish Tong, Si Tong, Omega, PKL, Baoguanglong, Teruis, Compaq and so on. There are only 16 quartz stone manufacturers in the world, right? The products of 20 celestite production lines account for 90% of the European market and 70% of the American market, but they are still far from meeting the market demand. The annual export of Korean quartz stone manufacturers to European and American markets is as high as 654.38+300 million US dollars. Quartz stone has been widely used abroad, mainly including kitchen countertops, bathroom countertops, bars, floors and external walls. The more mature markets in the world are Australia, Europe, America and other countries and regions. Among them, the annual consumption of quartz stone in Australia accounts for about 1/3 of the world, followed by the United States and Canada. The quartz market in the Middle East and Southeast Asia has grown significantly. The application scope of quartz stone abroad is constantly changing. Quartz stone is becoming a new substitute product in the cabinet industry, and the proportion of floor stone decoration has also increased greatly.
At present, the development trend of these two industries is: the variety of handicrafts is diversified, from traditional home furnishings and Christmas gifts to garden bonsai, figure sculpture, crystal, imitation jade, sand and other products; From pure export to domestic and international development. Artificial hillock stone and artificial quartz stone will become new development highlights, and some domestic manufacturers who used to make ceramic tiles, microcrystals and natural stones have also begun to enter the artificial stone industry. Some enterprises have developed artificial stone resin with low viscosity and high strength, and designed technical application "software packages" in resin, filler, additives and molding technology. Handicraft and artificial stone industry has just started in China, which is a huge potential market.
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