FR4 yog NEMA qauv. NEMA Txuj Ci: Tsim los ntawm cov hluav taws xob Manufacturers ntawm America, feem ntau siv nyob rau hauv North America thiab me} Cov cheeb tsam lag luam uas cuam tshuam nrog rau North American lag luam thiab thev naus laus zis. Hauv NEMA Txuj Ci, FR4 yog qhov siab- Cov nqi curity epoxy uas tau raws li tus nqi ntshiab ntau dua lossis sib npaug ntawm 135℃li 135 degree, dite concameters ntau dua los yog sib npaug ntawm 135 degree, dite concametic li 135℃li 135℃li 135℃li 135-5.0, thiab lwm yam.
Epgc202 yog IEC tus qauv. IEC Cov Qauv: Tsim los ntawm Thoob Ntiaj Teb ElectroteCnical Commission thiab dav saws los teb chaws li Universal Benchmark rau cov khoom hluav taws xob. Raws li IEC tus qauv, muaj kev sib raug epgcy cov laug cam, epgc202, epgc202 yog tus qauv epgc202 yog qhov txawv ntawm NEMA tus qauv hauv kev ua tau zoo.
