The temperature grade of FR-4 epoxy insulation sheet is generally divided into A grade, E grade, B grade, F grade, H grade, C grade, N grade, R grade.Generally, the insulation grades of motors are mostly E-class and B-class insulation. The [...]
FR-4 is a code name for a flame-resistant material grade. It means a material specification of which the resin material must be self-extinguishing after being burned. It is not a material name, but a material grade, There are many types [...]
The fiberglass board and the cold-punching board are used for the soft-packing base layer, and the outer fabric is covered with fabric, leather, etc., it is made into a beautiful wall surface and ceiling decoration. The application is very wide, [...]
The aluminum substrate is similar to the single-panel process of the FR-4 epoxy fr4 board, mainly because there is no electroplating process. FR-4 epoxy board is a code name of fire-resistant material. It means a material specification that the resin [...]
The cold-pressed sheet is made of tung oil modified phenolic resin impregnated with bleached wood pulp paper by hot pressing. It has good punching and electrical properties, and it is mainly used for carbon film potentiometers, resistor parts and small [...]
In the hot weather in summer, everyone is afraid of avoiding the heat. Although the article discusses cold-pressed sheet and heat insulation sheet, the two kinds of materials are not for people to use in summer, but for insulating materials. [...]
Generally, epoxy resin sheet manufacturers on the market are phenolic epoxy sheet, with yellow color, generally it is not used as a hard circuit board substrate, but used for electrical insulation. FR4 is a pure epoxy sheet of NEMA standard. [...]
First, fiberglass cold stamping sheet (FR4, single-sided, double-sided, multi-layer PCB circuit board, impedance board, blind buried hole board), it is suitable for electronic digital products such as computers and mobile phones. There are many kinds of glass fiber sheet, we [...]
Fiberglass board FR-4 is a code name for the grade of fire resistant epoxy board. It means a material specification that the resin material must be self-extinguishing after being burned. It is not a material name but a material grade, [...]