... Blue,Yellow,Red,Black,WhiteAbout 50 typesFineness≤8 u m0-25 u m Fineness gaugeMix ratioBase/Hardener = 3:1Weight ratioSolid ... hardness≥6HPencil harderSolvent resistanceGood25°C,C2H5OH ,20minAcid resistanceGood25°C,10vol%H2SO4 ,20minAlkali resistanceGood25°C,10vol%NaOH ,20minInsulation resistance ... SM-840D 3.8.2Resistance to molten solder288°C×10secends×3timesOKIPC-SM-840D 3.7.3Resistance ...