
Material of leaf | CRS or Galvanized steel or Galvannealed steel | ||
Material of frame | CRS or Galvanized steel or Galvannealed steel | ||
Thickness of steel | 16GA,18GA,20GA | ||
Fire rated time | Class A | ≥90mins | |
Class B | ≥45mins | ||
Class C | ≥20mins | ||
Filling material | Honey comb, Polystyrene, mineral fireboard |
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