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Charecteristics and application of Expandable Polystyrene:

Granularity of expandable polystyrene includes four kinds: 103, 104, 105 and 106 according to normal application size.

E
Standard Material
With Stable bubbling times and long preservation
For packing container,panel, floating ball slow-weight material, arts and crafts
F
Fire Resistant Material
With high strength, fast forming, high foaming and oxygen index
For building materials, civil engineering, composite plate, heat preservation and insulation materials.
B
Fast Material
With energy saving, fast foming and forming
For slow-weight material and fast processing.
P
Extra-Light Material
With hugh times and glossiness
For fish box, fruit and vegetable box as well as light panel
G
Special Specification Material
For special purpose including arts and crafts etc.
R
Colour Material
For safety hat and arts and crafts
J
Antistatic Material
For electric appliances that have special antistatic requirments.
H
Extra - Light Material
With hight strength and hardness
For safety hat and container

 

Physical Charecteristics of Expandable Polystyrene:

Specification
Diameter of granualarity (mm)
Times
E material

P material

B material F material
103
1.2-1.6
80-95
110-115
70-85
70-85
104
0.8-1.2
70-85
100-115
65-80
65-80
105
0.6-0.9
65-80
100-115
60-75
60-75
106
0.4-0.7
55-70
75-90
50-65
50-65

G Material:

Specification
Diameter of granularity (mm)
Times
special and designated purpose
101
2.5-5.0
90-110
102
1.6-2.5
85-110
107
0.3-0.5
15-35

 

Product specification:

Specification

Diameter of granularity (mm)

ML (103)
1.0-1.8
MM (104)
0.8-1.3
MS (105)
0.6-1.0
S (106)
0.3-0.8

Technical Requirement:

Name of indexification
Commest Charges
Fire resistent charges
Content of foaming agent
<=6.8%
<=6.8%
Residual phenethylene
<=0.6%
<=0.2%
Water content
<=1.0%
<=1.8%
Sieving rate of granule
>=90%
>=90%
Limit oxygen index
>=30%

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