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- EPS core 50–100 mm, density 16–20 kg/m³
- Steel skins both sides, tongue-and-groove joints
- Walls, partitions, ceilings, cold rooms
- PU and rock-wool cores available
Insulated walls in one product
A sandwich panel combines two steel skins and an insulating core into a rigid, self-supporting element. WS EPS panels give fast, clean installation for factory walls, partitions, ceilings, clean rooms and cold rooms; panels interlock along their long edges and are screwed to girts or frames.
Where fire performance or higher insulation is needed, PU / PIR or rock-wool cores are specified – see insulated sandwich panels and cold storage.
Technical data
| Property | Value |
|---|---|
| Density | 16–20 kg/m³ |
| Thermal conductivity | λ = 0.035 kcal/m·h·°C (≈ 0.041 W/m·K) |
| Compressive strength | 3.5 kg/cm² |
| Bending strength | 6.68 kg/cm² |
| Water-vapour absorption coefficient | μ = 710 mg/m²·s (reference value) |
| Service temperature | −40 °C to +80 °C |
| Panel thickness | 50–100 mm |
| Panel width | 1150 mm module (1138 mm core) |
EPS is combustible. Check the fire requirements of the building code and the insurer before specifying EPS – rock-wool or fire-tested PIR cores may be required.
Normes et exigences par marché
Les codes selon lesquels World Steel conçoit, fabrique et documente ce produit – et les principales exigences géométriques et de charge sur chaque marché.
États-Unis
- ASTM C578Rigid cellular polystyrene thermal insulation
- IBC Chapter 26Foam plastic insulation – fire requirements
- FM 4880Fire tests of insulated wall / ceiling panels (insurer)
Australie / NZ
- AS 1366.3Rigid cellular polystyrene
- NCCFire hazard properties of wall and ceiling linings
- AS/NZS 1530Fire tests
Europe
- EN 14509Self-supporting double-skin metal-faced insulating panels
- EN 13163Factory-made EPS products
- EN 13501-1Reaction-to-fire classification
Synthèse fournie à titre indicatif – le cahier des charges du projet, l'édition du code adoptée et l'autorité compétente prévalent.
Finitions
| Finition | Normes / remarques |
|---|---|
| Skins | Pre-painted AZ / Z steel |
| Joints | Tongue and groove, screw-fixed or hidden fixing |
Questions fréquentes
Can EPS panels be used in cold rooms?
Yes for chill rooms within the service temperature range; freezers usually use thicker PU / PIR panels for better insulation and fire performance.
IAS AC472