This non-slumping sprayable ablative is a one-part, room-temperature cure material, and cures in 24 hours. It provides good flame and flux resistance and can be applied by spray, roll or trowel. With application flexibility, desired thickness can be reached in a single event – providing cost and time efficiencies.
As applied
3500°C
10 Seconds
3500°C
20 Seconds
Learn how DOWSIL™ LPA-4000 Sprayable Ablative stacks up against competitive materials.
Live heat vs thermal profile
3500°C | 10 seconds
3500°C | 20 seconds
Cooling profile
3500°C | 10 seconds
Cooling after 10 seconds of heat
Spray application
Perpindicular, wide angle
Perpendicular, close-up
Equipment and spray demonstration
Below are 3D models before and after heating at 3500°C
Before heating
After heating for 10 seconds
10 Seconds
Due to its good char characteristics, DOWSIL™ LPA-4000 Sprayable RTV Ablative exhibit noticeable topographic change after 10 second exposure.
DOWSIL™ LPA-4000 Sprayable RTV Ablative illustrating original char performance (left) versus original char removed and underlying surface cleaned and exposed (right).
