Kingford focus on the high-quality PCBA order demand of "Multiple varieties, medium and small batch, and short lead time".
FAQ
FAQ
刘启瞳 0 Comments

What does FR4 stand for?

FR4 is the standard defined by NEMA (National ElectrICal Manufacturers Association) for glass-reinforced epoxy laminates. FR stands for "Flame Retardant" and means that the material meets the UL94V-0 standard for the flammability of plastic materials.
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