What is the difference between bakelite and fiberglass board, and what are the advantages of each?

What is the difference between bakelite and fiberglass board, and what are the advantages of each?

Bakelite boards are suitable for low frequency circuits. Fiberglass board, also known as epoxy board, is suitable for high-frequency circuits.

PF bakelite board is also called bakelite board, phenolic laminated board. Use high-quality bleached wooden building paper and cotton linter paper as reinforcements, and use high-purity, fully synthetic petrochemical raw materials to react with phenolic resin as a resin binder.

is suitable for PCB drilling and silicone rubber molds. Fixtures, switchboards, electrical machinery parts, suitable for insulation structural parts in motors and electrical equipment with high mechanical performance requirements. With good mechanical strength, it is mainly used in the processing of insulating parts in ICT and ITE fixtures, testing fixtures, silicone rubber button molds, fixture plates, mold splints, table polishing pads, packaging machines, tea trays, combs, etc. Bakelite is mainly composed of phenolic resin. Among the phenolic resins, the heat-resistant grade of phenolic laminated paperboard is E, that is, the highest temperature is 120°C. Therefore, in a working environment below 120°C, the bakelite is completely It can work normally. For a short time above 120°C, the bakelite board is still possible, but if it exceeds 120°C for a long time, the insulation performance of the bakelite board will be weakened until the insulation material is aging and the breakdown voltage is reduced. Density 1.5

thickness:

Insulation temperature class A class E class B class F class H class

Maximum allowable temperature (℃) 105 120 130 155 180

Winding temperature rise limit (K) 60 75 80 100 125

Performance reference temperature (℃) 80 95 100 120 145

Specification: Sheet: Thickness x Width x Length=3-20*1220*2440 (1020*1200)

Bar: Diameter * Length = 3-20*1000

Place of Origin: DuPont, Germany, Gaelic, Taiwan Syndyne, Beijing Furunda

color orange, orange, black, brown

Epoxy board FR4, epoxy glass fiber board, epoxy phenolic laminated glass cloth board epoxy resin refers to the organic polymer compound containing two or more epoxy groups in the molecule, except for a few, their relative The molecular mass is not high. The molecular structure of epoxy resin is characterized by the active epoxy group in the molecular chain. The epoxy group can be located at the end, in the middle or in a cyclic structure of the molecular chain. Because the molecular structure contains active epoxy groups, they can undergo cross-linking reactions with various types of curing agents to form insoluble and infusible polymers with a three-way network structure. Epoxy board of this product: glass fiber cloth is made by heating and pressing with epoxy resin, model 3240, it has high mechanical performance at medium temperature and stable electrical performance under high humidity. It is suitable for high-insulation structural parts for machinery, electrical appliances and electronics, with high mechanical and dielectric properties, good heat resistance and moisture resistance. Heat resistance grade F (155 degrees). Density 1.9

Specification: Sheet: Thickness*Width*Length=0.1-100*1000*2000 (1020*1220)

Bar: Diameter*Length=6-200

Color: water green, white, yellow

Origin: domestic

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