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| Customization: | Available | 
|---|---|
| Material: | Graphite | 
| Application: | Fire-Proof Door Seal | 
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  | Product name | intumescent door seal fireproof expansion PVC graphite flexible rubber seal strip | 
| Material | Expandible graphite and Thermoplastic element composition | 
| Size | The width: 10-50mm The thickness: 1-5mm  | 
     
| Color | Red, brown, white, black | 
| Initial expansion temperature | 199ºC | 
| Main expansion temperature | 347ºC | 
| Linear expansion ratio | ≥3 times | 
| Function | When on fire, the rapid expansion, closed doors and windows crack, prevent smoke and heat channeling into, to ensure personal safety,Sound insulation  | 
     
| Application | Fire-proof door, community security door, heating furnace, heat sink, building pipe wells etc. |