Ammonium polyphosphate can provide both nitrogen and phosphorus needed by crops
Product Description
Ammonium polyphosphate APP), as inorganic phosphorus flame retardant with nitrogen-phosphorus synergistic intumescent effect, has the advantages of thermal stability and lasting effect.
APP can also improve the mechanical properties of the material, so it is often used with other flame retardants, and the most common AP flame retardant studied by researchers is form ll, of which the polymerization degree is greater than 1000.In this paper, the water blown SPUF is synthesized only with soluble ammonium polyphosphate (SAPP) with a low polymerization degree. Our aim is to study the effect of SAPP on the thermal degradation, the flame-resistant, and the mechanical properties of the SPUF.
Guaranteed Analysis
Total Nitrogen (N)...…………..…..........17.00%
Available Phosphate (P2O5)....….....59.00%
• Slowly hydrolyzed into orthophosphate in the soil, and then used by plants, it is a slow-soluble long-term fertilizer.
• Nitrogen, phosphorus nutrient content is high, pH value is nearly neutral, crop use safety factor is high.
• Large solubility, can be configured with high phosphorus content of liquid fertilizer.
• The crystallization temperature is low and can be used in lower climate temperatures.
• Chelating metal ions can prevent metal impurities from forming precipitation in the solution, and adding trace elements to the liquid fertilizer is conducive to making high concentration and high quality liquid.
Application method and dosage
Suitable for fields, vegetables, melons, flowers and other crops
Application method and dosage: Base application, can be used on cereal crops and vegetables, the amount according to different crops 15-30kg/mu.
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FAQ
1.Uses of ammonium polyphosphate？
(1) Excellent flame retardant properties: APP decomposes into polyphosphoric acid when heated, which can promote the formation of a carbon layer, isolate oxygen and heat sources, and is widely used in intumescent flame retardant systems for polymer materials such as polyolefins, PVC, and polyurethane to improve the fire resistance of the materials and reduce the release of smoke and toxic gases。
(2) Good thermal stability and environmental friendliness: APP has a high thermal decomposition temperature and is not easy to absorb moisture, making it easy to store and process. It also does not contain halogens, and its decomposition products are non-corrosive and low in toxicity, complying with environmental regulations and suitable for use in fields with high environmental requirements such as construction, transportation, and electronics.
APP has become an important representative of halogen-free flame retardant materials.
2.What kinds of payment term do you accept ?
We prefer the payment : T/T and LC at sight; meanwhile we also support other payment according to difference markets.