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What is the difference between 3240 epoxy board and FR4 epoxy board?

What is the difference between 3240 epoxy board and FR4 epoxy bolodi?

1. Translucent color.

Mtundu wa FR4 epoxy board ndiwachilengedwe kwambiri, pang’ono yade, ndipo utoto wa 3240 epoxy board ukuwala pang’ono. Siziwoneka ngati zachilengedwe. Mitundu yambiri siyofanana kwambiri.

2. FR4 has good flame retardant performance.

FR4 is an improved product of 3240 epoxy resin board. The flame retardant performance of FR4 epoxy board meets the national UL94V-0 standard. 3240 epoxy resin board has no flame retardant properties.

3. FR4 is non-radiation and environmentally friendly.

3240 epoxy resin board is halogen-containing, which is not very environmentally friendly to the environment and the human body. It also does not conform to the country’s green sustainable development strategy. The FR4 epoxy board is just the opposite.

4. FR4 can self-extinguish from the fire.

FR4 imatha kuzimitsidwa mwachilengedwe moto.

5. FR4 has good dimensional stability.

Kukhazikika kwamphamvu kwa FR4 ndikwabwino kuposa 3240, ndipo pakukakamiza, kulolerana kwa makulidwe a FR4 kulinso kwabwino kwambiri kuposa 3240, komwe kuli koyenera kukonzedwa.

6. Low water absorption.

Kutengera kwake kwamadzi (D-24/23, makulidwe amphira 1.6mm): ≤19mg, yomwe imapereka chithandizo chabwino pakugwiritsa ntchito ma transformer onyowa ndi zida zina.