Corundum is an aluminium oxide crystal form widely used to make sapphires and rubies, as well as being an important component in many ceramics. Furthermore, its metal-coating process enables high temperature brazing assemblies. Furthermore, its high resistance to abrasion makes corundum ideal for use as part of antifouling coating systems.
BASF’s alcohol and oxygenated solvents play an integral part in nearly all coating systems, providing optimal dissolution of coating components while also controlling gloss levels and flow rates.
Pseudoboehmite
Pseudoboehmite, also referred to as pseudo thin diaspore and quasi thin diaspore, is an alkaline precipitated gel of alumina with the chemical formula AlO(OH). Also referred to as quasi thin diaspore and pseudo thin diaspore, this crystal form of monohydrate alumina demonstrates broad diffused bands on its XRD graph which distinguishes it from boehmite. A byproduct of the aluminic acid process which allows high purity gibbsite or similar high content ore react with an alkaline solution of metal aluminum.
Glycerin is a nontoxic, tasteless and odorless white colloidal (wet product) or powder (dried product) with small particle sizes, large specific surface area, high porosity and excellent peptizing performance, producing pure crystal phases with excellent crystal phase purity. As a thixotropic material it is easily formed to various shapes, serving as catalyst carriers, binder in metalworking applications, fine abrasive, coating additive in construction projects as well as reinforcing agent in ceramic composite materials.
Comparative to boehmite, pseudoboehmite boasts smaller average grain size and larger pore volume. Furthermore, it can withstand higher calcination temperatures than its counterpart, making it suitable for harsh industrial applications. Pseudoboehmite serves as a good replacement to traditional boehmite in high temperature applications like those found in petrochemical industries; making high performance ceramics; gas purification; drinking water defluorination and automobile exhaust treatment as well.
PAL M-400
PALM M-400 is a medium porosity, high density alumina intended for applications where higher densities are necessary. While its particle and crystallite sizes differ slightly from PAL M-300, its excellent flowability remains essential in manufactured product manufacturing processes. Furthermore, it possesses good acid response properties which make it suitable for use in catalysts and ceramics made from alumina-based compounds.
PAL M-400 stands out from other aluminas by being less reactive to acids due to its small pores and low reactivity, and this property makes dispersibility in water easier, making shaped products like catalysts and ceramics possible. Furthermore, its superior mechanical strength make PAL M-400 an excellent candidate for high pressure extrusion applications.
In February, AVision Systems’ PALM 400 successfully underwent rigorous trials at extreme altitudes in Sikkim. This military-grade remotely piloted vehicle (RPV) developed by an Indo-Israeli joint venture between UVision Air Ltd and Aditya Precitech Private Ltd is designed to fly over areas where armoured vehicles are concentrated or expected before selecting one and firing an armour-piercing projectile from above, where its armour provides minimum protection. It can loiter for 120 minutes at 3000-4000 feet above ground and has an operating range of over 100 km.
PAL HP-150
PAL HP-150 is a medium density Pseudoboehmite alumina developed for use in manufacturing of catalyst intermediates, polishers and abrasives. It demonstrates high resistance to peptization while remaining chemically inert due to dense packing of alumina agglomerates that ensure its stability under acidic conditions. Thermal conversion behavior mimics that of Boehmite materials with gradual substitutional decline of porosity characteristics as temperature rises while total strength Lewis acid sites vary along a volcano-shaped curve which corresponds with their higher reactivity.
DD-6
BASF DD-6 Alumina is an alumina with an extensive surface area and wide variety of pore size distributions, widely used across industries as a catalyst and desiccant. Additionally, this material helps produce hydrogen peroxide and sulfonate while effectively reducing coke formation. Furthermore, its excellent catalytic activity and selectivity in dehydrating alcohols to produce olefins sets it apart as an exceptional material.
Activated alumina is the go-to catalyst in sulfur recovery processes at oil and gas refineries, as well as an integral component of carbon capture and storage (CCS) processes, where it helps adsorb harmful compounds like chlorine gas or hydrogen peroxide from gaseous streams allowing for safer operation of CCS processes.
Alumina is produced through the Bayer process, which involves activating aluminum oxide with steam and air at elevated temperatures, producing microporous to macroporous structures with multiple pores sizes for heterogeneous reactions and access to catalytic centers in an accessible microenvironment.
Alumina is highly durable and resistant to erosion, thermal shock, mechanical stress, and abrasion, making it suitable for the production of catalysts and supports used in numerous industrial processes. Furthermore, this material contains trace amounts of iron manganese and silicon.