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Aluminum hydroxide(ATH) is a widely used environmentally friendly inorganic flame retardant. It is non-toxic and produces low smoke during combustion, effectively inhibiting fire spread through endothermic reactions and the release of water vapor, while also serving a filling function. Its core applications are as a halogen-free flame retardant and smoke suppressant, added to various polymer materials to enhance their safety performance. Aluminum hydroxide possesses numerous advantages, including being halogen-free, complying with RoHS and REACH environmental requirements, being non-corrosive, non-leaching, and environmentally friendly, improving material hardness, rigidity, arc resistance, and resistance to tracking, being chemically stable at room temperature, non-volatile, non-migrating, and non-leaching, and having good compatibility with most resins and rubbers. However, its decomposition temperature is relatively low (starting at approximately 200℃), making it unsuitable for high-temperature processing of plastics (such as PA, PET, and PBT), its flame retardant efficiency is generally moderate, requiring high addition levels (usually above 30%), and it may affect toughness and flowability.
1，Product Description
Product Name：Fine-grained aluminum hydroxide(ATH)
Formula：Al(OH)3
CAS：21645-51-2
Product model：AH-105
Company Identification：Hxo Chemical Industry Limited
Main Feature：High Purity、Good Dispersibility
2，Uses and Physical & Chemical Properties
This product is an inorganic material without toxic, corrosive, and radioactive as well as not flammable.It is mainly used for artificial marble, artificial agate, toothpaste friction agent, etc.
Physical State：Solid Powder
Color：White
Odor：Odorless
PH：7.5-10.0
Autoignition Temperature：Non-flammable
Flash Point：Non-flammable
Explosion Limits, lower：Hypostasis anchorhold no-explosion(HAN)
Explosion Limits, upper：Hypostasis anchorhold no-explosion(HAN)
3，Specification of the product
Project | Quality Indicator | |
Model | AH-105 | |
Chemical Component(%) | Al(OH)3≥ | 99.2 |
SiO2≤ | 0.015 | |
Fe2O3≤ | 0.015 | |
Na2O≤ | 0.25 | |
L.O.I | 34.5 | |
Pellicular Water(%)≤ | 0.5 | |
PH | 7.5-10.0 | |
Whiteness(%)≥ | 88 | |
Oil Absorption≤ | 35 | |
Fineness | D50（μm） | 4.5-6.0 |
4，Package and Storage
Package：Film liner coated plastic woven bag . Each bag has a net weight of 25kg or 50kg.
Storage：Store in a dry place.
Transportation：This product is non-dangerous goods. It prevents moisture, rain and package breakage during transportation.
5，Cautions
(1).This product is ultrafine powder. Please take good protective measures in the process of transport and using.
(2).Avoid accidental ingestion or inhalation. If swallowed or inhaled, seek medical advice immediately.
(3).If the product is in contact with skin and eyes, rinse thoroughly with water.
P.S：This information is for reference only in product selection and does not have contractual legal effect. The data is the reference data under normal conditions, and because the complexity of the specific use conditions is beyond our control in the use of process, please contact the sales engineer for any details.
Aluminum hydroxide(ATH) plays a vital role in numerous industries, including plastics, building materials, electronics, and cables, thanks to its combined properties of flame retardancy, smoke suppression, and filling, as well as its inherent environmental advantages. It not only safeguards people's lives and property but also aligns with the global trend towards green, halogen-free materials.
