Pentaerythritol 98% Appearance: White crystal power or particles Specification: Content: 98%min Hydroxyl value: 48.5% min Heat Loss: 0.2% max Ash: 0.05% max Phthalic Color: 1 Re: Pentaerythritol 95% Appearance: White crystal powder or particles Specification: Mono-PE: 95.0%min Hydroxyl value: 47.5%min Moisture: 0.5%max Ash: 0.1%max Chromaticity: 2