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Flame Retardant

Ammonium Polyphosphate (APP)

Product Name:Ammonium Polyphosphate (APP)

Other Name:APP II Or APP201

Molecular Formula:(NH4PO3)n

Appearance:White Powder

Characteristics:Highly-Active,Excellent processing performance

CAS NO.:68333-79-9

HS CODE:2835399000


As higher molecular weight(n>1000) and good heat stability, APP can be used as main ingredient of expanding retardant thermoplastic.,

especially used in the PP achieving UL94-V0 for electronic unit.


Specification

Type of APP

磷含量

Phosphorus Content

氮含量

Nitrogen Content

水溶性

Water Solubility

PH值

PH value

粒径D50

Particle Size D50

APP II

31.0-32.0

14.0-15.0

≤0.5%

5.5-7.5

≈15μm

AP710

31.0-32.0

14.0-15.0

≤0.5%

5.5-7.5

≈10μm

AP720

24.0-25.0

23.0-24.0

≤0.3%

8.0-9.0

≈15μm

AP730

31.0-32.0

14.0-15.0

≤0.25%

6.0-9.0

≈15μm

AP740

27.0-28.0

17.0-18.0

≤0.20%

6.0-7.0

≈15μm


Application

used to produce intumescent type fire-retardant coating.

used in plastic, rubber, coating, adhesives, sealant, and fiber.

applied in flame retarding treatment of wood, paper, and fibreboard.

applied in epoxy resin or unsaturated polyester


Package & Storage

25kg/bag,One 20’gp load into 20MT (Palletized);

Store in dry, normal temperature, moisture prevention