Grade B FR-4 Insulation Plates 1.Thick: 0.2-150mm 2. ... size of FR4 sheet 1.Description : Grade B FR-4 Insulation Plates are electrical alkali-free glass woven fabric base ... 1:FR4/DIN 7735 HGW 2372.1/BS 3953 EP-4 2.Specifications:1).Thickness:0.2-150mm 2).Size: ... °C). 3.Color: yellow, green,red, back, lighe green 4. Applications: With high mechanical strength, Insulation, heat resistance, electrical ...