1, the problem of adhesion to dust If the surface of the acrylic mirror is wiped with a dry cloth, there is a tendency to be charged by friction, and it is easy to adhere to the free dust in the air and cause scratches. It is recommended that you use a soft cloth dampened with antistatic agent or methanol containing antistatic agent, gently wipe.
2, the problem of line expansionacrylic mirror, like many plastics, has a linear expansion ratio and must be considered for expansion and contraction due to temperature changes. It is hoped that it can be stored and processed (used) under constant conditions. If there is a temperature difference, for example, at a temperature difference of 2 (the temperature difference of TC, there is about 1.4 mm of expansion and contraction per lm length.
3. Note on temperature: The long-term use temperature of the pmma board is 80 ° C, which will be deformed at high temperatures. Therefore, if you keep the temperature, control it at least 50 °C.
4, Attention to injury, scratching The surface hardness of acrylic resin is almost the same as that of aluminum. Although it is a hard type in plastics, it must be noticed when used. In order to protect the watch, a protective paper is attached to the acrylic resin. In order to prevent scratches and adhesion of dust during use, it is recommended that you use the protective paper as much as possible and then peel off. In addition, when working, because you protect your hands and protect the board, wear protective equipment, gloves, etc. When removing the dirt on the surface of the board, use a soft cloth dampened with water or a mild detergent to wash it.
Different gloss: The surface brightness of imported acrylic is very good and smooth. The domestic light reflection is not very good.
Different hardness: Imported acrylic sheet is relatively soft, not easy to be crushed or hit bad.
Domestically acrylic mirror produced is relatively hard.
Domestically acrylic mirror sheet easy to color!
Open the outer packaging, that is, the protective film, look at the material and quality inside, it is best to polish the best to distinguish, look at the effect of polishing, if the yellowing is absolutely returning, the resin inside will be yellow. The thickness of the imported acrylic sheet is stable at about 0.1 to 0.2, and the thickness of the plate is small. The thickness of the plate is unstable. The difference is at most 0.5, and some bubbles are many and unstable.