Your Leading Boehmite Supplier
Luoyang Zhongchao New Material Co., Ltd. (hereinafter referred to "ZC-TECH") is located in Industrial Cluster Zone, Henan Province, China, covering an area of more than 60 acres. Founded in 2003, it is an enterprise that integrates professional research and development, production, and sales of environmentally friendly and pollution-free new material. Its main products are aluminum based super fine flame-retardant material and magnesium based super fine flame-retardant material, special alumina, spherical alumina, boehmite, advanced ceramics, electronic ceramics and other inorganic material.
Provide customized formula designs for special requirements such as high filling, low smoke, and halogen-free applications.
Boehmite Properties
Chemical properties
White; ortho-rhomb; a=0.286 nm, b=1.2227nm, c=0.380nm; hardness is 3.5–4 Mohs; obtained by hydrothermal reaction of hydroxide slurries at 200°C–250°C.
Boehmite is an aluminium oxide hydroxide (γ-AlO(OH)) mineral, a component of the aluminium ore bauxite. It belongs to the orthorhombic system and has a layered structure. In each single structural layer, oxygen ions are arranged in cubic close-packed at the vertices of the octahedron, and aluminum ions are located in the center of the octahedron to form a double-layer structure. , the hydroxide radicals are located on the surface of the layered structure, and the layers are connected by hydrogen bonds.
Physical properties
The most important aluminous minerals in bauxite are gibbsite (Al(OH)3), boehmite (AlO(OH)) and diaspore (AlO(OH)), however gibbsite requires lower digestion temperature to be dissolved (typically ~145oC) as compared to boehmite and diaspore (typically >240 oC), Equation (1 – 2). Accordingly, alumina refineries are usually designed to specifically process one type of bauxite. While boehmitic bauxites are usually processed using ‘high temperature’ digestion conditions (to recover boehmite) in theory a boehmitic bauxite could be processed in a low temperature plant with no or minimal process impact if the boehmite levels were sufficiently low, even though this boehmite content is not dissolved, increasing residue amount to clarification.
Al(OH)3 (s) + NaOH (aq) <=>NaAl(OH)4 (aq) (1)
AlOOH (s) + H2O (l) + NaOH (aq) <=> NaAl(OH)4 (aq) (2)
Usea of Boehmite
Aluminum production
Boehmite is a precursor in the Bayer process, where it’s calcined to produce alumina. This alumina is then smelted to extract aluminum metal. The purity of boehmite directly impacts the efficiency and quality of aluminum production, making it a critical raw material.
Catalysts & petrochemicals
In catalytic applications, boehmite serves as a support material. Its high surface area and thermal stability enhance catalyst activity, especially in refining and petrochemical processes. This results in more efficient chemical reactions and reduced operational costs.
Ceramics & refractories
High-temperature resistant boehmite powders are used in manufacturing refractory bricks and ceramic components. These materials withstand extreme heat in furnaces, kilns, and reactors, ensuring durability and safety.
Polymers & composites
Boehmite is incorporated into polymer matrices to improve thermal stability and mechanical strength. This application benefits industries like aerospace and automotive manufacturing, where lightweight yet durable materials are essential.
Electronics & insulation
Due to its insulating properties, boehmite is used in electronic components and as a dielectric material. Its stability under electrical stress ensures long-lasting performance in devices.
Transportation: Non-dangerous goods, but during transportation to avoid moisture, keep dry, sealed.
Storage: Store in dry and ventilated place, not in the o
Product parameter
|
Item |
Unit |
Standard |
|||
|
ZCM-003 |
ZCM-01 |
ZCM-02F |
|||
|
Granularity |
D50 |
μm |
0.3-0.6 |
0.7-1.2 |
1.3-2.3 |
|
D90 |
μm |
≤1.5 |
≤2.0 |
≤5.0 |
|
|
PH |
/ |
7-10 |
7-10 |
7-10 |
|
|
Specific Surface Area |
㎡/g |
8-14 |
3-7 |
1-4 |
|
|
AlOOH(wt%) |
% |
≥99.9 |
≥99.9 |
≥99.9 |
|
|
Impurity Content |
Na |
ppm |
500 |
500 |
500 |
|
Fe |
ppm |
50 |
50 |
80 |
|
|
Cu |
ppm |
5 |
5 |
5 |
|
|
Ca |
ppm |
300 |
300 |
300 |
|
|
Particle Morphology |
/ |
Blocky /Flaky |
Blocky |
Blocky /Flaky |
|
|
Moisture Content |
% |
＜0.3 |
＜0.3 |
＜0.3 |
|
Certificate
fAQ
We're well-known as one of the leading boehmite manufacturers and suppliers in China. Please feel free to buy high quality boehmite made in China here from our factory. For price consultation, contact us.
boehmite, Conventional Boehmite, Super Boehmite