环氧树脂泡沫塑的床单FR4

EPOXY GLASS CLOTH LAMINATED SHEETS:FUWANGFR4 Ref:EP-GC2.UNE-53189Part1./Hgw-2372.1.DIN-7735(9/75)./FR4.NEMALI-1.JISKEL-GEF 1.COMPOSITIONANDPRESENTATION FUWANGFR4isastratifiedinsulatormadefromfibreglassfabricandepoxyresinwithimproved resistancetoflame(V-0). Atdeliverytimethepresentationofthesheetsisasfollows: -Maximumsizes:1020X1220mm -Thickness:From0.13mm50mm -Colour:LightGreen/Natural/Black/Brown/Red/Orange/Yellow/Green/Blue/Purple/Ash /White/Carbonorbasedontheusersspecialcolor. -Ondemandwecandeliverstripsorfinishedcomponents -Surfaces:Shining 2.APPLICATIONS. Veryconvenientforequipmentforhighfrequenciesandingeneralforallelementsputunderhighdynamicstresseswithhighresistancetofatigue,canalsobeusedextensivelyfortestinstrucmentsofPCB,andsportsequipment. 3.MAINTECHNICALCHARACTERISTICS/SHEETSFUWANGFR4 ITEMS CONDITIONS NORMS VALUES Thermicclass intransformeroilfor4hours CEIPub.85 B(130OC) MartinsTemp. (perpendicular) -- -- 200OCmin. Heatstability A -- 180OCmin. Specificweight 20OC UNE53020 1.802.00g/cm3 Waterabsorption E-24/50 +D-24/23 0.10-1.0% Resistancetoflexion,crosswise A 40-50kg/mm2 Compressivestrength Perpendicular(A) 50-55kg/mm2 Parallel(A) 35-40kg/mm2 Dielectricstrength1 (perpendicular) C-96/20/65 (in25oil) 15KV/mmmin. Dielectricstrength (parallel) D-48/50+D-0.5/23 (in90oil) 40KVmin. Dielectricdissipation factorat1mHz. C-96/20/65 0.01-0.015 Dielectricconstant1mHZ C-96/20/65 4.4-4.6 Surfaceresistance C-96/20/65 1.0x1015Wmin. Volumeresistivity C-96/20/65 1.0X1015W×cmmin. Insulatingresistances C-96/20/65 1.0X1015Wmin. C-96/20/65 +D-22/1200 1.0x1014-1015W Hardness A 118200HR-R Warping 3.26.4mmthickness 5.60mmmax. Impactstrength A 50-60kg.cm/cm2 Tensilestrength A 20-25kg/mm2 HighvoltageArcresistance C-96/20/65 130140sec. Acetoneresistance boiled 30min(OK) Staticelectricityresistance A 106-1010W ULflameclass UL94 FV0 ULcertification YES