SEAL70 intumescent fireproof sealant is a single-component, water-based sealant designed for environmentally friendly and harmless production and application, and easy cleanup during installation. In a fire, SEAL70 can expand to over 10 times its original volume. The immense expansion pressure quickly seals gaps left by burning combustibles, preventing the spread of fire.

1. Fire ratings: 3 hours, 2 hours 

2. Testing standards: GB23864-2023, ASTM E814 

3. Other features,

* 30-year service life 

* Halogen-free, asbestos-free 

* High expansion performance 

* Watertight and airtight related tests 

* Water-based, easy to clean 

* Long-term water resistance after curing 

* Can be used alone for fire sealing of small-sized holes 

* Can be used for fire sealing of curtain wall gaps