Ammonium polyphosphate type Ⅱ is high polymerization degree inorganic phosphorus flame retardant, featuring high thermal stability, low water solubility, excellent flame retardancy, halogen-free environmental protection and good smoke suppression effect, widely used in flame retardant modification of plastics, rubber, coatings, paper, wood and epoxy resin.
| Chemical Name | Ammonium Polyphosphate |
| Chemical Formula | (NH₄)ₙ₊₂PₙO₃ₙ₊₁ |
| CAS | 68915-31-1 |
| Appearance | White crystalline powder |
| Melting point | No fixed melting point, decompose gradually at high temperature |
| Boiling point | Decompose when heated |
| Density（ρ20）, g/cm³ | 1.80-1.90 |
| Molecular Weight | Distributed in polymer range |
| Solubility | Hardly soluble in cold and hot water, almost insoluble in organic solvents |
Used as main material of intumescent fire retardant coating, halogen-free flame retardant for polyolefin plastics, flame retardant polyurethane foaming material, flame retardant impregnation for wood and fabric, flame retardant for cable insulation layer, rubber and plastic composite flame retardant system and special flame retardant filler for fireproof board.
Store hermetically in cool dry and ventilated place, strictly prevent moisture absorption and caking, keep away from humid environment and acidic materials, manage in accordance with inorganic flame retardant powder storage standards.
We mainly supply agricultural fertilizers including urea, potassium sulfate, ammonium chloride and water-soluble fertilizer materials; as well as industrial chemical raw materials such as calcium chloride, sodium bicarbonate and phosphate products.
Yes. We can provide batch COA, MSDS, certificate of origin and other full set of export documents to meet customs clearance requirements worldwide.
Sure. We offer agricultural grade and industrial grade products. Customized purity, particle size and packaging are all available as customers' demands.
Sample order is acceptable. For bulk orders, goods can be delivered within 3-7 days for in-stock items. We also support long-term bulk order production arrangement.
We offer exclusive one-on-one pre-sales and after-sales responses throughout the process, along with customized supporting solutions, ensuring high efficiency, peace of mind, and reliable and stable delivery.
With 26 years of in-depth experience in the chemical industry, we have a well-established supply chain system, sufficient production capacity reserves, and the ability to provide large-scale supplies and continuous delivery.
We adhere to research and development innovation and strict quality control. Our formula and process are mature and stable, and our products feature high purity, stable performance, and are suitable for high-end application requirements in multiple industries.
If you have any questions, concerns, or need assistance, please feel free to contact us via phone, email, or online customer service at any time, and we will provide you with support and answers as soon as possible.
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