This product is fine pore aluminum oxide gel,white powder.Pore distribution is between 30-80Å,Pore volume is 0.30-0.45 cm³/g.It is used as raw material of catalyst carrier for petroleum cracking,decreasing freezing and hydrofining et al.This product is provided with characters of good performance and low price.
WHA-408 is divided into three types:
Type A: Pore distribution is 30-80Å,specific surface is over 300m²/g intensity of Φ3mm made from type Aluminum oxide gel can be over 150N/roll.The content of Na₂O is below 0.07%.
Tyep B: High intensity, Φ3mm roll is over 150N/roll.Na₂O is below 0.07%.
Type C: The price is low,the intensity of Φ3mm roll is over 80N/roll.Na₂O is below 0.10%.and Al₂O₃ over 75.0%.