... liquid, boiling point: 154°C, flash point: >57°C,specific gravity(25°C): 0.96, Refractive Index (20 °C ):1.4340~1.4350 2 ... . Technical Data Sheet(TDS) SpecificationsXY680PXY680AXY680BViscosity, mPas (25°C)≤2≤ ... 2≤7Color, APHA≤30≤60≤100Epoxy value, eq/100g-≥0.65≥0.35Epoxide equivalent, (g/eq ...