Mold opening generally refers to the development and production of molds. In the molding of stone crafts, mold opening plays a very important role. Every link in the mold opening will affect the life of the stone crafts, so every detail below needs to be paid great attention to:
1. There are a series of methods for mold opening, packaging, demoulding, mold brushing, mold filling, etc.
2. Opening molds, arranging boards, piling soil, brushing molds, pouring molds, plastering, and reversing.
3. Mold opening, silicone oil, hard oil, hardener, yellow gypsum, gauze, fiber, etc.
Most of the stone crafts we see are placed outdoors. After long-term exposure to the sun, wind and rain, the stone crafts are easy to crack and discolor, and most of the stone crafts use polyester resin, while our landscape
stone sculpture are made of materials For 123 epoxy resin, why is the raw material so important? Please continue reading.
The aging life and weather resistance of stone crafts made from different raw materials and molding processes are different. Polyester resin has low strength and is easy to hydrolyze, so the weather resistance of stone crafts is relatively poor.
Epoxy resin has many reactive functional groups and has a huge benzene nucleus on the main chain. Due to the large π bond on the benzene nucleus, the energy is easy to disperse and is less likely to cause damage to weak bonds. At the same time, the bonding performance with the fiber surface is also improved. Okay, so epoxy stone sculpture have better weather resistance than stone crafts.
Although the bonding strength of phenolic resin itself is low, because it is hot-pressed, compared with hand-layed polyester and epoxy stone sculpture, it has fewer internal defects such as micropores and cracks, better density, and is less susceptible to natural factors. Invasion, improved weather resistance.
Coloring first makes the stone crafts more realistic. For example, it can imitate copper and create any desired color effect. The coloring itself also has a certain protective effect on the stone crafts. First of all, we use paint imported from Japan, and focus on the following links Note: The spray painting process of stone crafts refers to applying a layer of paint on the surface of stone crafts to achieve the desired artistic effect and protection. The spray painting process of stone crafts is a method in which a spray gun is used to disperse the spray into uniform and fine mist droplets with the help of air pressure, and is applied to the surface of stone crafts. The spray painting process of stone crafts generally uses baking paint. After the
stone carving is remade, spliced and polished, the next step is to spray paint.
The spray painting process for stone crafts includes ordinary paint; metallic paint; pearlescent paint; varnish; and matte paint. The spray painting process of stone crafts can be roughly divided into: puttying, grinding, spray painting, etc.
