Unique properties of Perlite Filter Aid include its jagged interlocking morphology and microscopic channels allowing efficient flowrates and water clarity. In comparison to D.E., Perlite has a higher solid and oil holding capacity and lower density allowing for uniform pre-coat thickness and deposition on element.
General Perlite Features:

• Colour: White
• Shape: Rounded/Angular
• Bulk Density: 40-160kg/m3
• Moisture Loss at 110°C: 0.5-2%
• pH in water: 6-9
• Combustibility: Non-combustible
• MOH Hardness: 1-2
• Sintering Temperature: 1260-1340°C
• Fusion: 1260-1340°C
• Water Holding Capacity: 220-325% by wt. 20-50% by vol.