Plastic Raw Material Expandable Polystyrene Virgin EPS
Specifications
specification |
Diameter of granularity(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 |
Name of index Specification |
Comment charges |
Fire resistant 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 |
FLAME RETARDANT |
F grades -for panel applications, housing, and constructions.
Heat preservation
and insulation materials. With high strength, fast forming, high
foaming and oxygen index. Oxygen index is above 30. |
F-MS(F-103) |
1.2-1.6 mm |
Heavy duty block sheet and lightweight molding |
11.8 ~ 12.5 g/l |
F-SA(F-104) |
0.8-1.2 mm |
Middle density applications |
12.5 ~ 15.4 g/l |
F-SB(F-105) |
0.6-0.9 mm |
High density application |
13.3 ~ 16.7 g/l |
F-S(F-106) |
0.4-0.7 mm |
Contour cutting |
15.4 ~ 20.0 g/ |
Applications
EPS (Expandable Poly Styrene) is a lightweight, rigid, plastic foam insulation material produced
from solid particles of polystyrene. Expansion is achieved by virtue of small amounts of pentane gas
dissolved into the polystyrene base material during production. The gas expands under the action of
heat, applied as steam, to form perfectly closed cells of EPS. These cells occupy approximately 40
times the volume of the original polystyrene bead. The EPS beads are then molded into appropriate
forms suited to their application. Products made from foamed polystyrene are nearly ubiquitous,
for example packing materials, insulation, and foam drink cups.
EPS Fire Retardant grade is used for production EPS blocks, insulation construction material.
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