mono-pentaerythritol 98%,95%, 92% SPECIFICATION OF PENTAERYTHRITOL TEST ITEM98%Grade95%Grade92%GradeAppearanceWhite Crystalline PowderMono-PE, (m/m),%, ≥98min95min92minHydroxyl group, (m/m), %≥48.5min47.5min47.0minHeating loss, (m/m),%, ≤0.2max0.5max0.5maxMelting Point≥250//Ash, (m/m),%, ≤0.050.1max0.1maxPhthalicColor1max2max2max PENTAERYTHRITOL