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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 Tabloya epoksî ya FR4?

1. Translucent color.

Rengê tabloya epoksîdî FR4 pir xwezayî ye, piçek jade ye, û rengê tabloya epoxy ya 3240 hinekî çirisandî ye. Ew pir xwezayî xuya nake. Piraniya rengan ne pir yekreng in.

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 dikare di bûyera şewatê de bi xwezayî were vemirandin.

5. FR4 has good dimensional stability.

Stabîliyeta dîmenî ya FR4 ji ya 3240 çêtir e, û di dema pêlêkirinê de, toleransa qalind a FR4 jî ji ya 3240 pir çêtir e, ku ji bo pêvajoyê maqûltir e.

6. Low water absorption.

Avêtina wê ya avê (D-24/23, stûrbûna plakayê 1.6mm): ≤19mg, ku ji bo karanîna wê di transformerên şil û alavên din de arîkariyek baş peyda dike.