Fibrous Magnesium Oxysulfate Product Name: Fibrous Magnesium Oxysulfate Trade Name: NP WHISKER Item Number: NP-YW2 (Special for Modified Plastics and Engineering plastics Industry) 1. Data Sheet: Chemical Composition: MgSO4·5 Mg (OH) 2·3H2O Impurity: Mg (OH) 2 Appearance: White Powder or Loose Particles Particle Shape: Needle Shape Fiber Purity (%): â?¥96 Length (µm): 3.5120 Diameter(µm): ï¼? 2 L/D Ratio: 8-70 Whiteness (%): â?¥93 Density (g/cm3): 2.3 Bulk Density (g/cm3): 0.1-0.3 Moisture Content (%) :