CNC milling drilling cutting programming g10 black fiberglass plate

Note: More sheet sizes, thicknesses, colors could be Customize upon request !!

Before the inquiry, we would be grateful if we receive the following information:

FR - 4 Product Features:

• The flame retardant grade is UL94 V0


•  F grade Heat resistance and heat resistance (120 min) reaches 180 ℃


• High mechanical performances (bending, compression and stretching of transverse strength is above 330Mpa)


• High dielectric properties of the oil (25 ℃ in the vertical dielectric strength of 16 kv/mm)


• We can press, cut and process the sheet according to customer's requirements and provide insulation accessories directly.

Product Application:

• Motor control, communication equipment


• The separator between the magnetic ring inductors and the base of the bottom


• Thermal power devices


• Also suitable for high voltage transformer and switch cabinet, high temperature, high-power welder even in a wet environment

NOTE: (1)(2): Enough stock of raw Fr4 epoxy fiberglass board

(3): Cut into small pieces

(4)(5)(6): CNC router machine programming

(7)(8): OEM products weighted on an electronic balance

(9)(10): Products sealed in transparent PE bags

(11)(12): Cartons of Fr4 products ready to be delivered

We are confidents to provide with CUSTOMIZED high-quality Epoxy glass fiber Fr4/g10 products by our professional manufacturing team,  manufacturing lines and experienced CNC router operators who have been engaged in this industry for more than 10 years.

1. Spacer for the choke and inductor coil

The epoxy glass fiber sheet serves as an insulation spacer for the upper choke.

The common-mode inductance is divided into high voltage AC mode and output DC mode. The voltage between the two copper wires determines whether to use the spacer. If the lead string is added and the casing voltage is not high enough, the spacer shall not be added. But considering the consistency, it is more appropriate to have an insulation spacer in bulk production.  

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2. Baseboard for Transformer Bobbin

3. Used as washers

(1) Sealing

(2) Increasing friction 

(3) Reducing pressure

(4) Bearing high temperature

1. We have 10 years of experiences in processing Epoxy glass fiber sheets (including g10, fr4, and fr1 ), Polycarbonate sheet, PVC sheet, and Bakelite sheet.

2. Great passion, rational attitude, advanced equipment, and professional engineers enable us to focus on the quality of our products. Quality is ALWAYS OUR PRIORITY.

3. The factory price help our customers save extra money.

4. More kinds of products could be based on customers' drawings/requirements. We await your inquiry !!