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Ammonium polyphosphate CAS#68333-79-9
Basic Information
APP
Ammonium polyphosphate, or APP, is a halogen-free flame-retardant material with properties dependent on chain length and phase. Short-chain Phase I is more water-sensitive, whereas Phase II has lower water solubility and greater thermal stability. Applications include intumescent coatings, engineering plastics, textiles, paper and wood, alongside polyphosphate fertilizer formulations supplying nitrogen and phosphorus.
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Non-Toxic and Environmentally Friendly：Halogen-free and safe for use in various industrial and consumer applications.
Versatile Flame Retardant：Effective in coatings, paints, plastics, textiles, and wood for fire protection.
High Thermal Stability (Phase II)：Phase II APP decomposes above 300 °C, making it suitable for high-temperature applications.
Controlled Solubility and Polymerization：Available in two forms—Phase I (short-chain, water-sensitive) and Phase II (long-chain, low water solubility)—allowing tailored performance for specific needs.
Product Description of Ammonium polyphosphate CAS#68333-79-9
Ammonium Polyphosphate (APP) is a non-toxic, halogen-free flame retardant synthesized from polyphosphoric acid and ammonia. It has two main grades: APP Phase I: Short linear chains with n<100, water sensitive and decomposable above 150 °C. APP Phase II: High-polymerized branched structure with n>1000, low water solubility, high thermal stability, decomposition temperature over 300 °C, serving as a premium halogen-free flame retardant.
Product Application of Ammonium polyphosphate CAS#68333-79-9
Ammonium Polyphosphate (APP) is an eco-friendly halogen-free flame retardant widely applied in coatings, paints and engineering plastics. As a key component of intumescent flame retardant systems, it can be used alone or compounded with other materials for flame retarding textiles, paper, fibers and wood. High-concentration grades with up to 50% P/N are available for special uses. APP also serves as a fertilizer, typically with N-P₂O₅-K₂O ratios of 10-34-0 or 11-37-0. Featuring high nutrient content, good stability and fine compatibility with micronutrients, polyphosphate fertilizers allow long-term storage and effectively supply plant nutrients.
Parameters
Safety Information
Delivery Time
Inventory 2-3 working days New manufacturing 7-10 working days
Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
We only provide highest quality goods available, accompanied by after support!
1. What products does Shandong Junzheng Chemical supply?
We supply inorganic chemicals, organic solvents, water treatment chemicals, and surfactants, including calcium chloride, soda ash, sodium bicarbonate, caustic soda, citric acid, ethyl acetate, and SLES. Please contact us to confirm specific product availability.
2. Which industries do your products serve?
Our products serve pharmaceutical, agrochemical, dye, rubber, construction, coal processing, and other chemical industries. Product suitability depends on the required grade, specifications, and application.
3. How can I get a quotation?
Please provide the product name, CAS number, required specifications, quantity, packaging requirements, and destination port. These details help us prepare an accurate quotation.
4. How do you control product quality?
We follow strict quality testing procedures supported by technical personnel, research equipment, and an established management system. Specific quality requirements can be confirmed before placing an order.
5. Can you help me select a suitable chemical?
Yes. Our technical team can assist with product selection based on your application and required specifications. Please share your intended use and key technical requirements.
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