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High Polymerization Degree Ammonium Polyphosphate Flame Retardants For Intumescent Fireproof Coating
FR002 APP ammonium polyphosphate is Nitrogen-phosphorus inorganic flame retardants, it is a kind of crystal type Ⅱ ammonium polyphosphate, FR002 APP ammonium polyphosphate has high polymerization degree, but without encapsulated and activated. It has high content of phosphorus and nitrogen, excellent thermal stability, near-neutral and non-toxic smoke property. With gas source and carbon source, it takes effect by char formation and intumescent mechanism. FR002 ammonium polyphosphate Nitrogen-phosphorus inorganic flame retardants iswidely used for intumescent fireproof coating.
Technology Index:
| Test Item | Unit | Value |
| Whiteness | —— | ≥88 |
| Density | g/cm³ | ～1.9 |
| Bulk Density | g/L | ～700 |
| Polymerization Degree | —— | ≥1000 |
pH Value (25℃,10% Suspension) | —— | 6.0～7.5 |
Viscosity (25℃,10% Suspension) | mPa.s | ≤50 |
| Decomposition Temp. | ℃ | ≥260 |
| Phosphorus | % (w/w) | 31.0～32.0 |
| Nitrogen | % (w/w) | 14.0～15.0 |
| Water Solubility | % (w/w) | ≤0.5 |
| Average Particle Size(D50) | μm | ～12 |
| Residue on Sieve | % (w/w) | 0 (40 meshes) |
| ＜0.001% (60 meshes) | ||
| ＜0.03% (150 meshes) | ||
| Acid Number | mgKOH/g | ≤1.0 |
| Water/Moisture | % (w/w) | ≤0.25 |
| Toxicity And Environmental Hazard | —— | Not Detected |
Characteristics:
Application:
Meetting the requirements of different applications. And it is highly recommended to intumescent coating.
FR002 has very low water solubility and is particularly suitable as an acid source for intumescent fireproof coatings. Other important components of intumescent fireproof coatings include binders (such as acrylic), carbon sources (such as pentaerythritol), gas sources (such as melamine), and so on. After being exposed to flame, the intumescent fire retardant coating will form a dense carbon layer on the surface, effectively blocking the temperature rise of the substrate. FR002 applied to intumescent fireproof coatings has the following effects:
| Wood or plastic | EN 13501 -1 Class B standard |
| Steel structure materials | EN, DIN, BS, ASTM and GB fire protection standards |
Package
Packing in 25KG/bag.
Storage
Storage in the place where is dry and installed with ventilation equipment, not in wet place.
Special Tips
This material is complied according to our existing technology and experience, the technical advice provided is sincere, but it is not guaranteed to be used in all samples and formulations, all the data are for users reference only.
