We are professional manufacturer and exporter of PENTA,our factory located in Douyu industry distric nearby Shijiazhuang city, please find our specification as follow: Pentaerythritol 98% min 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 Appearance: White crystal[...]