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JD-658 High-temp Resistance APP Phase II

Crystalline type II ammonium polyphosphate (JD-658) is a halogen-free environmentally friendly flame retardant with a nitrogen-containing structure. The product has a high degree of polymerization, good thermal stability, and low hygroscopicity. It is different from halogen-containing flame retardant. During the combustion process, the expanded carbon layer of the product achieves the flame retardant effect of heat insulation and air isolation, and has low smoke, low toxicity, and no melt dripping. It is an efficient inorganic environmentally friendly flame retardant material.

Molecular formula: (NH4PO3)n  N>1000

Model No.:JD-658

Crystalline type II ammonium polyphosphate (JD-658) is a halogen-free environmentally friendly flame retardant with a nitrogen-containing structure. The product has a high degree of polymerization, good thermal stability, and low hygroscopicity. It is different from halogen-containing flame retardant. During the combustion process, the expanded carbon layer of the product achieves the flame retardant effect of heat insulation and air isolation, and has low smoke, low toxicity, and no melt dripping. It is an efficient inorganic environmentally friendly flame retardant material. 

Compared with traditional type II ammonium polyphosphate, this product has more excellent heat resistance.

Specification:

Technical Index

Industrial Standard HG/T2770-2008

AppearanceWhite powder
P2OContent%≥71
N Content %≥14

Average Polymerization degree(n)

≥1000
PH Value5.5-7.5

Bulk DensityParticle Size (D50um) ≤ 

20

Solubility% ≤

0.5
Moisture% ≤0.25
Bulk Density0.5-0.7
Decomposition temperature(1%weight loss)≥300℃

Uses: JD-658 is widely used in plastics (PP, PE, PVC, etc.), polyester, rubber, various high-grade intumescent fireproof coatings and other fields.

Packing: in net weight 25kg plastic woven bags lined with plastic liner.

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