The difference between pouring plate and pressing plate
The extruded plate is melted into a liquid state by acrylic particles and extruded through a die. The cast plate is formed by dissolving the acrylic and pouring it into the mold for natural cooling. Because of the difference in the two processes, the characteristics of the two plates are slightly different.
1. The pouring acrylic plate is heavier than the extrusion plate, and the casting is more solid than the extrusion pressure, so the density is a little larger than the extrusion plate, and the casting plate per unit volume is heavier than the extrusion plate;
2. Extrusion of acrylic sheet thickness without tolerance, extrusion because of extrusion through the mold, so there is no thickness tolerance, casting because of the plane placement, natural cooling, because of the tension of the liquid, so there are thickness tolerances, usually the middle of the sheet is thinner, the surrounding is thicker;
3. The transmittance casting plate is better than the extrusion plate;
4. The extrusion plate is slightly expensive. Due to different processes, the production investment of the extrusion plate is much larger than that of the casting plate, so the cost of extrusion is high;
5. The casting plate has length and width restrictions, the extrusion plate has a width limit, and there is no length limit;
6. Different tools for engraving, different tools should be used for the extrusion plate and the casting plate, otherwise the knife will stick.
