High thermal stability, and the decomposition temperature of 1% thermal weight loss is ≥ 360° C. This product also has the advantages of low water solubility and excellent flame retardant properties. It is mainly used for flame retardant of glass fiber reinforced nylon, polyurethane and fiber fabrics.
Applicable for PA+GF,TPU,PET.
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Introduction:
Melamine polyphosphate (BZ-FP20) is an environmentally friendly halogen-free flame retardant widely used. BZ-FP20 is an efficient nitrogen-phosphorus expansion flame retardant prepared by special end sealing process. It has unusually high thermal stability, and the decomposition temperature of 1% thermal weight loss is more than 360℃. The product also has low water solubility and flame retardant.
Excellent performance and other advantages, mainly used for glass fiber reinforced nylon, polyurethane and fiber fabric flame retardant.
Physical and Chemical Properties
| Item | Unit | Index | |
| Appearance | —- | White Powder | |
| The Content of Phosphorus | %(W/W) | ≥12 | |
| The Content of Nitrogen | %(W/W) | ≥42 | |
| Particle Size | μm | ~10 | |
| TGA
(10℃/min, in air) |
℃ | Weight Loss 1% | ≥360℃ |
| Weight Loss 5% | ≥375℃ | ||
| Moisture | %(W/W) | ≤0.5 | |
Packing/storage: 25kg/ bag; Transport according to general chemicals, store in a dry and cool place, avoid direct sunlight.
Recommended dosage:
| Base material
|
Glass fiber
|
BZ-FP20 Added amount /%
|
Detection standard
|
Flame retardant rating
|
| PA6 | 30% | 22.0~25.0 | UL94 |
V-0(0.8mm)
|
| PA66 | 30% | 22.0~25.0 | UL94 | V-0(0.8mm) |
Processing precautions:
The initial thermal decomposition temperature of BZ-FP20 in the air is 360℃ , so the processing temperature of the twin-screw can be increased according to the specific situation to strengthen the dispersion and improve the plasticization effect. Extruded in twin-screw machining.A certain degree of hollowness must be maintained in the process.
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