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High Quality Industry Grade Ammonium Polyphosphate

High Quality Industry Grade Ammonium Polyphosphate Basic Info

High Quality Industry Grade Ammonium Polyphosphate Product Description

Product Description:
TY-423 is a long-chain ammonium polyphosphate. The crystal modification is phase II. (n≥ 500). It is non-flammable, largely insoluble in water, stable and compatible with some polymers. 
Ammonium polyphosphate is an environmentally friendly halogen free flame retardant, which develops its effectiveness through phosphorus / nitrogen synergism. It is usually used with charring agent and foaming agent. The flame retardant treated material foams on exposure to flame. The carbon foam layer so formed protects the polymer through its heat-insulating effect.
High Quality Industry Grade Ammonium Polyphosphate Specification:

Item

Unit

Index

Appearance

 

White Powder

Formula

 

(NH4PO3)n

Degree of polymerization (n)

 

≥500

P2O5  Content

%(w/w)

70-73

Nitrogen(N) Content

%(w/w)

13-15

pH Value (10% suspension)

 

5.5-7.5

Water Content (130oC)

%(w/w)

≤0.5

Solubility in water (25oC)

g/100mL

≤0.5

Viscosity (25° C, 10% suspension)

mPaS

≤100

Density (25oC)

g/cm3

about 1.9

Bulk Density (25oC)

g/cm3

about 0.7

Thermal Decomposition Temp. (5% weight loss)

oC

≥300

Crystal Form

 

Phase II

Average particle size (D50)

μm

about 20

Note: Average size (D50) from 5μm to 100μm is available..

High Quality Industry Grade Ammonium Polyphosphate Applications:

TY-423 can be used with charring agent and foaming agent in the processing of the fire retardant treatment of PE/PP/PU materials, oxygen molecules material or high-grade intumescent fireproof materials ,which can provide good flame retardant efficiency .


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