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Halogen Free Flame Retardant Ammonium Polyphosphate (APP)68333-79-9 High Stability used in expanding fireproof material

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Halogen Free Flame Retardant Ammonium Polyphosphate (APP)68333-79-9 High Stability used in expanding fireproof material

Large Image : Halogen Free Flame Retardant Ammonium Polyphosphate (APP)68333-79-9 High Stability used in expanding fireproof material

Product Details:

Place of Origin:	Weifang,China
Brand Name:	RuzE
Model Number:	TC-9016

Payment & Shipping Terms:

Minimum Order Quantity:	Negotiable
Price:	Negotiable
Packaging Details:	25kg
Delivery Time:	5-10work days
Payment Terms:	L/C, Western Union, MoneyGram, T/T

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Detailed Product Description

Product Name:	Ammonium Polyphosphate	Synonyms:	Ammonium Polyphosphate;polyphosphoric Acids Ammonium Salts;APP;APP-0;XAP-01;APP-3;APP-1;ammonium Polyphosphate Flame Retardant
CAS:	68333-79-9	MF:	H12N3O4P
MW:	149.086741	EINECS:	269-789-9

Halogen Free Flame Retardant Ammonium Polyphosphate (APP)68333-79-9 High Stability used in expanding fireproof material

Ammonium Polyphosphate (APP)

[Formula]: (NH4PO3)n
[CAS No.]: 68333-79-9
[Product classification]:APP101/APP102
[Appearance]: white powder
[Applications]:It can be used in expanding fireproof material, such as polyurethane, UF resin and epoxy resin. Also can be used in the retardant of fiber, wood and plastic. APP is main ingredient of expanding retardant thermoplastic because of its high molecular weight and good heat stability.UL94-V0 for electronic unit made from PP shall be achieved with loading this product.
[Feature]:
　　1. APP102 has excellent weathering properties and high stability. It can improve the water resistance of products in the coating. It can reduce the proportion of product, improve the quantity of glass fibre and improve the surface properties of the product in the thermosetting resin products.
　　2. App101 has strong moisture resistance, alkaline PH value and low water solubility after surface treatment.
[Packing]: 25Kg kraft bags.
[Capacity]: 2000T/a
[Storage and transportation]: Handle with care, keep airtight and dry.

Ammonium polyphosphate Chemical Properties

storage temp.	−20°C
CAS DataBase Reference	68333-79-9
EPA Substance Registry System	Polyphosphoric acids, ammonium salts(68333-79-9)

Ammonium polyphosphate Usage And Synthesis

Description

Ammonium polyphosphate (APP) is an organic salt of polyphosphoric acid and ammonia. As a chemical, it is non-toxic, environmentally friendly and halogen-free. It is most commonly used as a flame retardant, selection of the specific grade of ammonium polyphosphate can be determined by the solubility, Phosphorus content, chain length and polymerization degree. The chain length (n) of this polymeric compound can be linear or branched. Depending on the polymerization degree, there are two main families of ammonium polyphosphate: Crystal phase I APP (or APP I), and Crystal phase II APP (or APP II).

APP phase I has a short and linear chain (n < 100), it is more water sensitive (hydrolysis) and less thermally stable; actually it begins to decompose at temperatures above 150 °C.
The second family of Ammonium polyphosphate is the APP Phase II; which has an high polymerization degree, with n>1000, its structure is cross linked (branched), and it is an high-quality non-halogenated flame retardant. APP phase II, Ammonium polyphosphate, has an higher thermal stability (the decomposition starts at approximately 300°C) and lower water solubility than APP I.

Appearance

White free-flowing powder

Whiteness

92.0 Min

pH (10% slurry -25°C)

5.5-7.5

Acid Value, KOH mg/1g

1.0 Max

Solubility in water (25°C), g/100ml H2O

0.50 Max

Nitrogen, w/w%

14.0-15.0

Phosphorus (P), w/w%

31.0-32.0

Thermal decomposition onset, °C

285 Min

Average Particle Size, D50, µm

About 15

Ammonium Polyphosphate phase-II

Uses

Ammonium polyphosphate is a specialty chemical that finds many different uses in key industries.
Ammonium Polyphosphate, is an environment-friendly and halogen-free flame retardant. It is the main constituent of many intumescent flame retardant systems: coatings, paints and engineering plastics. It is used to prepare 20% Phosphorous/Nitrogen containing flame retardants, it can be used solely or in conjunction with other materials in the flameproof treatment for textiles, papers, fibers and woods. Special treatment can be used to prepare 50% high concentration flameproof formulations required for special applications.
The most common ammonium polyphosphate fertilizers have a N-P2O5-K2O (nitrogen, phosphorus and potassium) composition of 10-34-0 or 11-37-0. Polyphosphate fertilizers offer the advantage of a high nutrient content in a clear, crystal-free fluid that remains stable within a wide temperature range and stores well for long periods. A variety of other nutrients mix well with polyphosphate fertilizers, making them excellent carriers of micronutrients typically needed by plants.

Ammonium polyphosphate Preparation Products And Raw materials

Preparation Products	flame retardane ZR-01
Raw materials	Methanol-->Urea-->Phosphorous acid-->Phosphorus pentoxide-->Ammonium nitrate-->Ammonium dihydrogen phosphate-->Cyclone separator