But the handmade frames in the market are mixed with both good and bad. Then how to tell the good from the bad is never easy. Let us begin with the basic part of the handmade frame---the materials.
• Nowadays, the material of the frame is mostly the acetate fiber, and there are a few advanced frames are made of propionic fiber. While the handmade frame of acetate fiber is divided into the injection mold and pressing and grinding mold. We can know from the name of injection mold that it is made through mould casting. But now the majority of handmade frame belongs to pressing and grinding mold. In the terms of the origin of plates, France and Italy are the best and Japan is good. Therefore, the material of many advanced handmade frames is from these places and the quality could be trusted.
The process of frames. A good processing technique would not only make the frame comfortable to wear but also represent your style as an important ornament. Recently, there are five processing techniques are used in the formation of frames.
The first is the splicing technique which means to combine plates of different colors and materials together to form a temple;
The second is engraving technique which means to engrave all kinds of pictures on the plate through computer based on the original colors and styles of the plate;
The third is inlaying technique, which means to inlay various pictures on the plate without any seals and without damaging the smoothness of the plate. This technique abandons the traditional sticky and drilling method and provides a new thought and point for diamond processing;
The fourth is the lacquer technique, which means to lacquer at the temple of a frame by using a lacquer pen. In this way, the paint would spread evenly on the plate;
The last is corrosion technique. By using corrosive agent，the plate would change its color, let’s say from bright to dark.
It is a sure thing that the techniques of handmade frames with poor quality would be simple, without using the advanced techniques like inlay or splice. While for the advanced handmade frames, various techniques would be adopted in order to create a wonderful collocation of colors and effect.
Plate is an environment-