Expanded Polystyrene (EPS) is a rigid, closed cell, thermoplastic foam material produced from solid beads of polystyrene, which is polymerised from styrene monomer and contains an expansion gas (pentane) dissolved within the polystyrene bead.
| GRADE | PRODUCER | Based size | Pre-expansion Density | End product density (kg /m3) |
|---|---|---|---|---|
|
121 HS |
TPC |
1.8 – 2.5 |
0 |
13 – 25
|
|
221 HS |
TPC |
1.0 – 1.8 |
– |
14 – 30
|
|
321 HS |
TPC |
0.7 – 1.0 |
– |
18 – 30
|
|
F50 |
Petromol |
1.6 – 1.9 |
11 |
10 – 20
|
|
F100 |
Petromol |
1.3 – 1.6 |
13 |
14 – 22
|
|
F150 |
Petromol |
0.9 – 1.3 |
14 |
16 – 30
|
|
F250 |
Petromol |
0.7 – 0.9 |
15 |
20 – 35
|
|
F350 |
Petromol |
0.47 – 0.7 |
16 |
22 – 40
|
|
F450 |
Petromol |
0.3 – 0.47 |
17 |
23 – 42
|
|
F–1000 |
Baniar |
1.4 – 2.0 |
11-12 |
–
|
|
F–2000 |
Baniar |
0.9 – 1.4 |
12-14 |
–
|
|
F–3000 |
Baniar |
0.7 – 1.0 |
14-16 |
–
|
|
–
F–4000 |
Baniar |
0.5 – 0.8 |
16-18 |
–
|
