In the era of agricultural civilization, if the tension between land and grassland resources is exhausted, the socio-economic system will collapse. According to archaeological analysis, the process of the disappearance of the ancient Loulan country is the catastrophe of mankind and climate, which ca... read more
The temperature resistance grade of 3240 epoxy board: Class B, that is, the maximum operating temperature is 130°C, and the temperature resistance grade is divided from low to high: YAEBFHC, the maximum working temperature is 90°C; 105°C; 120°C; 130°C ；155 ℃; 180℃; above 180℃ 3240 epoxy resin board ... read more
FR-4 quality control 1. Preventive measures for substrate warpage 1.1 Start with resin formulation The use of resins and curing agents with relatively long molecular chains and good flexibility is an important means to overcome the warpage of the substrate. Since the paper-based copper clad laminate... read more
Mica board and epoxy board are often used in daily life, but there is still a big difference between the two. The base material of epoxy board: epoxy resin glue, glass fiber cloth The base material of mica board: mica flakes (collected from mica mine), organic silica gel The common point of the two ... read more
Epoxy boards can be used in many industries such as airplanes, automobiles, construction, and electronic appliances, especially in the electronics industry. Most products will use it. There are many types of epoxy boards, which can be divided into fr4, G11, G10, 3240 epoxy boards, etc. according to ... read more
