Hvad er aluminiumoxidtrihydrat?

Alumina trihydrate (Ag2O3) is a fine white powder used in paints and coatings as both filler and extender, as well as flame retardant and smoke suppressant. At 220 degC it decomposes, producing water vapor which prevents pyrolysis while diluting combustion gases and toxic fumes, effectively diluting them away from harmful fumes and gas emissions.

It is a white powder or granule

Alumina trihydrate (ATH) is a white, odorless powder used as an extender pigment and flame retardant. Produced through the Bayer process by dissolving bauxite (aluminum ore) into sodium hydroxide at elevated temperatures, ATH has high oil absorption qualities making it an attractive option for fillers and coatings while improving glossiness, smoothness and printability.

ATH is an inert, non-toxic compound that can be added to virtually all types of polymers without adverse side effects, especially plastics and rubber products. When heated, alumina trihydrate releases water vapor that dilutes and extinguishes flames emitted during combustion – acting as both heat sink and smoke suppressant for safer polymer combustion processes. Additionally, it acts as an excellent preventive measure against smoke production in polymer combustion and toxicity issues in polymers.

Enhance opacity of glazes and enamels by stimulating gas bubble formation during melt, as well as mix with clays and feldspar to produce fine-grained calcined alumina (also referred to as “slaked alumina”). This fine grain material serves as a primary ingredient of many ceramic products as well as being widely used for other applications like refractories, electrical insulation, high temperature crucibles and dental restoration.

High reactivity and surface area allow it to absorb substantial quantities of oil, making it an excellent additive to petroleum and petrochemical products. Furthermore, its absorbency allows it to serve as an extender pigment in both oil- and water-borne paints; furthermore it serves as a base pigment that increases transparency of colors.

Alumina trihydrate’s use is growing, as its versatility makes it useful in producing numerous products. It is particularly suited for high temperature applications like moldings made of phenolic or polycarbonate resin, or as an additive in tyres where it strengthens compounds while decreasing decomposition products formation.

Alumina trihydrate is being increasingly utilized in the production of high-performance fibers for use in abrasives and automotive applications, helping reduce vibration and noise levels and improving handling and ride comfort in automobiles. Furthermore, alumina trihydrate can also be utilized in improving blade durability and cutting performance by creating stronger fibers with lower surface tension levels that produce superior cutting performance and durability.

Aluminium compounds may have low acute toxicity; however, ingestion in large quantities can have severe negative health repercussions. Antiacid use can accumulate aluminum in the body over time, leading to hyperphosphatemia and other health issues (HSDB 1990). Breathing dust particles could result in pulmonary fibrosis or respiratory distress (Ueda et al. 1958; Edling 1961).

It is a fine powder

Alumina trihydrate (ATC) is an extremely useful white, fine powder used in multiple industries. Due to its excellent flame retardant and thermal stability properties, ATC is highly valued as an additive and can be found in plastics, coatings and construction materials as an additional flame retardant and thermal stabilizer – it even serves as filler/extender function, improving strength, durability and appearance while simultaneously serving as smoke suppressant qualities! With these qualities combined it makes an eco-friendly replacement to halogenated flame retardants.

Alumina trihydrate’s nontoxic nature makes it an ideal flame retardant in various applications. Available in various particle sizes and with processing temperatures below 220degC, it also boasts additional properties such as electrical arc resistance, acid resistance, and smoke suppression.

Ethylene oxide can easily be integrated into plastics without altering their performance or chemical makeup, providing an economical and effective flame retardant. Acting like a heat sink during combustion, it releases water vapor as heat escapes, slowing pyrolysis rates while simultaneously decreasing combustion rates to prevent flame growth and smoke generation.

Besides its fire retardant properties, alumina trihydrate also serves as an effective antacid and lubricant. Furthermore, it’s used as raw material for producing aluminum hydroxide and titanium dioxide products, commonly found naturally as gibbsite and extracted through physical beneficiation or chemical processing for production with particle sizes from 1.5 micron to 150 microns.

Alumina Trihydrate (ATH) is an eco-friendly, cost-effective flame retardant used for plastics and rubber applications. It improves performance across a range of materials such as solid surface, composites, cable insulation and cable wrapping materials – solid surfaces, composites and cable insulation are just a few examples! ATH serves as an ideal replacement for halogenated flame retardants used by wire and cable compounders and meets even their strict requirements; providing an environmentally sustainable and cost effective solution across numerous applications.

Alumina Trihydrate comes in two grades – SB and HN. SB grade is designed specifically for applications requiring higher filler loading levels, with its low viscosity and filler-loading capability making it suitable for wide variety of polymers. HN grade is a fine-particle size formulation that offers superior performance at reduced manufacturing costs. Both grades meet all required specifications for toxicity and hazard assessment and do not contain phthalates, heavy metals or any halogenated compounds. Click on any product in the chart below for individual Tech Data Sheets. RJ Marshall also offers White Alumina Trihydrate for solid surface manufacturing with Dense Fill and Cultured Onyx manufacturing with Onyx Fill; please contact us for current packaging options, lead times and supply chain updates.

It is a fine granule

Alumina trihydrate (ATH) is a white, crystalline powder found both naturally and synthetically. Composed of one aluminum atom bonded to three hydroxide groups (OH), its molecular weight is 78.0 g/mol and its chemical formula is Al(OH)3. Common applications for this substance include fillers and extenders used in paper, paints, plastics and various other materials to improve opacity, brightness, whiteness while increasing strength durability and fire resistance – it’s even used as an additive in ceramic manufacturing and other industries!

Alumina trihydrate (ATH) has several key industrial uses. As both a flame retardant and anti-corrosive agent, it is widely utilized for cable insulation applications to reduce risk of electrical fires or other hazards, and used as an additive in paints and coatings. Furthermore, ATH makes an excellent protective choice for protecting structural steel components against corrosion while offering resistance against high temperatures.

ATH differs from other alumina compounds by not being toxic when exposed to air or water and being non-irritant, making it a safe and cost-effective choice for use across industries. Furthermore, recycling or reuse makes ATH an eco-friendly choice without harming the environment.

Alumina hydrate can be purchased either dry or wet and is commonly shipped using bottom discharge hopper cars and pneumatic tank trucks, or super sacks of one metric ton capacity. Dry alumina trihydrate serves as the raw material for producing aluminum chemicals such as aluminum chloride and alumina sulfate.

Annual production of alumina trihydrate exceeds 100 million tons, nearly all via the Bayer process. This method involves dissolving bauxite ore in sodium hydroxide at high temperatures to isolate its alumina component from any residual solids after heating, then grinding it down into fine, white powder with consistency similar to sugar.

Alumina hydrate is widely utilized as a flame retardant and smoke suppressant across various applications, particularly cable insulation where it helps preserve insulation integrity during an incident, thus decreasing fire spread. Filtered water acts as an efficient filler and extender in paints and coatings, improving their opacity, smoothness, glossiness and printability. Furthermore, its use improves strength, hardness and chemical resistance of solid surface materials produced from them. R.J. Marshall offers an expansive selection of halogen-free alumina trihydrate products designed specifically to meet specific application needs, each one engineered for exceptional rheology performance. Products range in viscosity from low viscosity, controllable thickening and superior rheology. For more information about our Alumina Trihydrate products, please reach out. Our products come equipped with expert technical support and safety data sheets, making them readily available at both of our warehouse locations in California and Indiana.