1. The surface of 3240 epoxy board is required to be flat, free of bubbles, pits and wrinkles, but other defects that do not affect the use are allowed, such as: scratches, indentations, stains, and a small amount of spots. The edges should be neatly cut, and the end faces should be free of delamination and cracks.

2. Execution standard: GB/T1303.1-1998 (natural color), red, green and black are the protocol standards.

3. Temperature resistance grade: B grade Color: natural color (yellow), red, green, black, etc.

4. Characteristics: The cured epoxy resin system has excellent mechanical properties, high mechanical strength under medium temperature, and good electrical performance stability under high humidity.

5. Electrical properties: The cured epoxy resin system is an excellent insulating material with high dielectric properties, surface leakage resistance and arc resistance. Uses: Mechanical, electronic and electrical. Suitable for mechanical, electrical, electronic, electrical and other fields. It is also used for the processing of insulating parts and processed into various types of insulating parts. Equipment insulation structural parts.

6. Thickness: Under normal circumstances, it is 0.5~50mm, and it can also produce thick plates of 50~150mm as required.