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Flame Retardants
Newly halogen-free flame retardant
Flame Retardant
Flame Retardant Master
Batch
Specialized Flame
Retardant
(HT-208) Ammonium Polyphosphate (APP)

                                                 Ammonium Polyphosphate (APP)

                                                                  (NH4PO3)n

                                                                    (HT-208)

CAS NO. 68333-79-9
 

General Properties

Appearance

White powder

Characteristics

Highly-active, excellent processing performance


Physical and Chemical Properties
Item
N≥50
N≥200
N≥1000
Water soluble 
 (tasteless)
Water soluble
(tasty)
P2O5 content %
≥69.0
≥70.0
≥71.0
≥57.0
≥32.0
Nitrogen content %
≥14.0
≥14.0
≥14.0
≥12.0
≥12.0
Mean polymerization Ñ
≥50
≥200
≥1000
---
≥20
Solubility(g/100mLH2O)
---
---
≤1.0
Dissolved in water
Dissolved in water
Moisture ω/%
≥90
≥90
---
---
---
PH value
5.0-7.0
5.0-7.0
5.5-7.5
4.5-6.5
6.5-8.5
Mean particle diameter
(D50)   µ m
---
---
≤20
---
---
Moisture %
---
---
≤0.25(130℃)
---
---
Viscosity mpa.s
---
---
According to customer`s requirements
---
---
Residue on sieve (200 mesh) %
---
---
Pass
---
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 Application Field
①used to produce intumescent type fire-retardant coating.
②used in plastic, rubber, coating, adhesives, sealant, and fiber.
③applied in flame retarding treatment of wood, paper, and fibreboard.
④applied in epoxy resin or unsaturated polyester.

Packing and store
packing: 25kg/bag compound paper & plastic bag, or jumbo bag
Store: storing in dry, ventilated and moistureproof conditions
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