| CAS No. | 9003-53-6 |
| Product Name: | Expandable Polystyrene |
| Product Grade: | Flame Retardant |
| Trade Name: | BANIAR FR EPS |
| Chemical Name: | Ethenylbenzene |
| Synonyms: | Oligostyrene, Vinylbenzene |
| Blowing Agent | Pentane |
| Flame Retardant | Brominated Hydrocarbon |
Product Identifier
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F-4000
Expandable Polystyrene
Flame Retardant
* Based on DIN 4102 Part 1 – Class B2 Standard
** Lower densities via multiple pre-expansions
Physical and Chemical Properties
Appearance: Ivory-white pearl-like sphere
| Property | Unit | Value |
| Bead Size (≥ 99.0%) | mm | 0.5-0.8 |
| Blowing Agent Content | wt% | ≥ 6.0 |
| Moisture Content | wt% | ≤ 0.80 |
| Polymer Content | wt% | 92-94 |
| Coating Agent Content | wt% | < 0.30 |
| Residual Monomer | wt% | < 0.30 |
| Foam Density** | g/l | 16-18 |
| Specific Gravity | - | 1.02-1.05 |
| Expandability | times | 50-95 |
| Limiting Oxygen Index | % | > 30 |
| CFC Content | % | 0 |
| Flammability (Max.) | sec | 3 |