Gray 68333-79-9 Phosphorus Nitrogen APP Flame Retardant

Halogen Free Flame Retardant of Phosphorus Nitrogen APP for Rigid PU Foam

Using intumescent ammonium polyphosphate (APP) as flame retardants, the addition of APP into the foam greatly influences the physical-mechanical property. The APP performance indicates it is an effective agent to promote carbon foam formation to produce a cohesive and dense carbon layer, resulting of inhibited the transfering of heat and combustible smoke and increased thermal stability.

Description of Product

Ammonium polyphosphate (phase II)

Molecular formula : (NH4PO3)n n>1000

CAS No.: 68333-79-9

EINECS No.: 269-789-9

HS CODE: 2835.3990

Model No.: TF-501

Features

1. solid composite halogen-free

2. acts both in the condensed phase and the gas phase

3. expands when heated, efficient in smoke suppression

4. excellent water resistance, not easy to precipitate

5. none heavy metal ions

6. not to react with other flame retardant and auxiliary

Product Index

Appearance                                                                         Gray powder

P2O5 content (w/w)                                                                 ≥47%

N content (w/w)                                                                        ≥8%

pH value (10% aqueous suspension, at 25ºC)                        6.5-7.5

Moisture (w/w)                                                                         ≤0.5%

Packing : 25kg/bag, 22mt/20’fcl without pallets, 18mt/20’fcl with pallets. Other packing as request.

Storage: in dry and cool place, keeping out of moisture and sunshine, shelf life two years.