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| Does general FR4 board meet ROHS requirements or got to use halogen-free pcb substrate? |
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Theoretically ROHS and halogen-free are two different issues, FR4 recipes are so many, but most are based on epoxy resins production, it is only a grade rather than a product. Therefore, whether its compliance with ROHS rule, it is necessary to see whether it contains ROHS material is not allowed.
At present, more significant heavy metals and chemical substances do not appear in the normal substrate, ROHS theoretically should be no problem. But if lead free hasl question is raised,the future assembly operations temperature will be relatively increased, this kind of problem is relatively big problem, which has an indirect relationship with the ROHS. above for your reference.
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