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Description:
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 ≥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

Section1 Section2 Section3 Section4 Section5 Section6 Section7 Section8 Section9
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  
Tensile strength(Mpa) 145  
Breaking extension ratio(%) 2.5  
Flextural modulus(Mpa) 155  
Flextural modulus(Gpa) 10  
Compressive strength(KJ/m2) 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