... sepiolite powder 1.Water:4% max 2.Hardness:2-2.5 3.Good quality, prompt shipment 4.For fire refractory material ... Gravity:2-2.3,weight :1.2-1.5 tons / M3,hardness: 2-2.5,non-toxic, odorless, harmless to human body, low ... (%)Decoloration (%)Activated decoloration (%)40-450.2-2.20.3-22.5-2017-2532-4860-105m3/t10-1535-55♦3. LOI table ...