Synonyms: FR-NP ; Melamine polyphosphate
Chemical Formula: (C3H8N6)n(HPO3)m
CAS NO.: 218768-84-4
Appearance: fine, white, crystalline powder
Use: Mainly used in polyamide and PBT, especially PA6, PA66, glass fiber-reinforced PA6, PA66.Nylon containing MPP can be used in all kind of injection and extrusion process and meet all kind of processing demands of polyamide, glass fiber polyamide.
Feature:
1.halogen-free and low poison, meet European Environmental Protection requirements;
2.easy process, no need special screws combination and special specification glass fibre;
3.different from general halogen retardant, no corrosion damage to equipment and mould;
4.good heat stability, decomposition temperature=330°C, suitable for glass fiber-reinforced nylon;
5.flame retarded products containing FR-NP can be made to various color.
Package: 25kg woven bags, PE in liner.
Capacity: 1000T/a
Storage and transportation: Handle with care, keep air-tight and dry
Quality Standard.
| P content | % |
15.0±1.0 |
| Moisture content | % |
≤0.2 |
| Decomposition temperature | oC |
≥330 |
| Particle size | µm |
≤5 |
| Density | g/cm3 |
appro. 1.6 |
| Bulk density | g/cm3 |
appro.1.5 |
Use in the nylon
1.Dose
| PA66 | 49 |
| Glass fibre | 25 |
| FR-NP | 25 |
| Additives | 1 |
2. Extrusion processing temperature
| Section 1 | Section 2 | Section 3 | Section 4 | Section 5 | Section 6 | Section 7 | Section 8 | Section 9 |
250 |
260 |
260 |
260 |
260 |
260 |
260 |
265 |
265 |
3.Differnent properties between FR-NP PA66 and Brominated retardant PA66
| Property | Br/Sb flame retardant |
MPP |
|
| Tensile strength (Mpa) | 145 |
150 |
|
| Breaking extension ratio (%) | 2.5 |
2.5 |
|
| Flextural strength(Mpa) | 155 |
160 |
|
| Flextural modulus(GPa) | 10 |
12 |
|
| Compressive strength(KJ/m2) | 7 |
7 |
|
| Vertical flamingproperty UL94 | 1.6mm |
V0 |
V0 |
0.8mm |
V0 |
V0 |
|
0.4mm |
NT |
NT |
|
The above information is just for reference, customers shall adjust formulations according to actual demand