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PP FR ZT-PP208


Halogen-Free Flame Retardant ZT-PP208 for PP


Principal Ingredient:Polyphosphatecompound
Character:WhitePowder,  Nontoxic, Odourless, Slightly soluble in water.


Quality Specification:

Phosphorus Content

%

≥10

Nitrogen Content

--%-

≥30

SpecificGravity

g/cm3

14

Volatile Content

%

≤0.5

Grain Diameter

D50

≤8µ

Decomposition Temperature

≥270



Physical Property:
ZT-PP208 isp - n halogen-free, low smoke intumescent flame retardant which is suitable for thermoplastic resin, especially polypropylene, recycled polypropylene and other polypropylene blend material. The polypropylene resin containing ZT-PP208 foams and swells to form a porous carbon layer when heating crack or burning. This carbon layer resists flame, insulates heating and oxygen, and avoids molten drop.ZT-PP208 can also inhibit the smoke generationand avoid poisonous or caustic gas.Besides, ZT-PP208 has low density, excellent thermal stability and machinability.


Example for ZT-PP208 in polypropylene resin formula.

Sheet 2 is ZT-PP208 in PP:

No.

1

2

3

Test Method

Formulawt%

Polypropylene

76

70

65

ZT-PP208

24

30

35

O.I

27

30

38

GB2406

UL94

V-1

V-0

V-0

GB2408

Smoke DensityFlame

130

140

/

GB8323

Smoke DensityNo Flame

250

200

/

GB8323