Name: Pseudo Boehmite
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Pseudo Boehmite

Pseudo Boehmite

Pseudo boehmite, MF AI2O3.H2O(1.2-2.2), Pseudo-boehmite powder is odorless, tasteless, non-toxic and powder shape.It can be used in different area according to the different product technology. Using high pure aluminium hydroxide and lonic membrane alkali as raw material,with different process treatment after carbonation,producing a series of large pore pseudo boehmite.

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Product Description

Pseudo Boehmite (Alumina Monohydrate) - Technical Datasheet

Alumina Monohydrate Precursor CAS No. 125740-10-5 / AlO(OH)·nH₂O

Pseudo Boehmite is a non-toxic, odorless, white gel powder featuring high crystal purity, excellent peptization capability, strong binder cohesion, and high pore volume. Widely used as a primary alumina precursor for petrochemical catalysts, molecular sieves, and adsorbent carriers.

Al₂O₃ Content

65.0% – 72.0%

Peptization Index

≥ 95.0%

Pore Volume

0.40 – 1.10 cm³/g

BET Surface Area

220 – 320 m²/g

Product Grades & Technical Classification

Tailored physical properties designed for distinct catalytic and binder processing requirements.

Standard Catalyst Grade

Optimized for general FCC catalyst carrier extrusion and active alumina sphere preparation.

Al₂O₃ Content: ≥ 65%
Pore Volume: 0.40 – 0.50 cm³/g
Na₂O Content: ≤ 0.10%
Peptization Rate: ≥ 90%

Low Sodium / High Purity

Specially developed for hydrotreating catalysts and premium chemical synthesis applications.

Al₂O₃ Content: ≥ 68%
Na₂O Content: ≤ 0.03% (Low Na)
Fe₂O₃ Content: ≤ 0.02%
Crystal Phase: Pure Pseudo Boehmite

High Pore Volume / Fast Peptizing

Engineered with large pore volume and rapid acid peptization for high-strength binder formulations.

Pore Volume: 0.80 – 1.10 cm³/g
BET Area: 260 – 320 m²/g
Peptization Index: ≥ 98%
Dispersion Index: Excellent

Technical Specifications Matrix

Detailed chemical composition and physical properties measured by standard XRD and BET testing.

Technical Parameter	Standard Grade (PB-01)	Low-Na High Purity (PB-02)	Large Pore Grade (PB-03)
Al₂O₃ Content (wt%)	65.0% – 68.0%	68.0% – 72.0%	65.0% – 70.0%
Na₂O Content (wt%)	≤ 0.10%	≤ 0.03%	≤ 0.05%
Fe₂O₃ Content (wt%)	≤ 0.03%	≤ 0.015%	≤ 0.025%
SiO₂ Content (wt%)	≤ 0.15%	≤ 0.08%	≤ 0.10%
Pore Volume (cm³/g)	0.40 – 0.55	0.45 – 0.60	0.80 – 1.10
BET Surface Area (m²/g)	220 – 260	250 – 290	270 – 320
Peptization Index (%)	≥ 90.0%	≥ 95.0%	≥ 98.0%
Loss on Ignition (LOI 1000°C)	25.0% – 30.0%	25.0% – 30.0%	28.0% – 33.0%

Primary Industrial Applications

Functions as a vital raw material across catalyst synthesis, refining, and industrial adsorbents.

1. Refinery Catalysts Carrier (FCC / Hydrotreating)

Used as the main carrier component for semi-synthetic Y-zeolite cracking catalysts, hydrocracking, and hydrodesulfurization (HDS) catalysts due to its high thermal stability and pore network.

2. Binder for Molecular Sieves

Serves as an inorganic acid-soluble binder in the extrusion shaping of ZSM-5, Beta, and Y molecular sieves, granting high crush strength without blocking active pore channels.

3. Active Alumina Substrate

Calcined at controlled temperatures (500–800°C) to manufacture γ-Al₂O₃ (Gamma Alumina) beads and extrudates for desiccant drying, Claus sulfur recovery, and VOC catalysts.

4. High-End Ceramics & Refractories

Provides strong binder action and sintering aid in high-purity refractory fibers, ceramic membranes, and abrasion-resistant spark plug ceramic bodies.

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