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What is DOWSIL™ LPA-4000 Sprayable RTV Ablative Silicone?
A one-part, non-slumping, room-temperature cure sprayable ablative that provides good flame and flux resistance, and cost efficiencies with application flexibility. Spray, roll or trowel and reach desired thickness in one event – and it cures in 24 hours.
Uses
- Ablative coating and thermal barrier for protection of launch structures exposed to indirect rocket blast such as strongback, gantry and flame tunnel
- Sacrificial coating can be applied to bare substrate or previously coated ablative surfaces
- Developed for the aerospace industry
Benefits
- Withstands temperatures from -55° C to + 200°C for extended periods, and up to +3300°C for brief periods (several seconds)
- Moderate char characteristics
- Surface easily cleaned and recoated
- Low thermal conductivity
- Flexibility and service at temperature extremes
- Deep section cure (up to 25mm) is possible
- Can be sprayed, troweled, brushed/painted on to surfaces
- One-part room temperature cure
Dow Silicone Ablatives
Pioneering protective materials for spacecraft, launch structures, defense applications and satellite applications. Our protective ablative materials are helping advance the rapidly growing space ecosystem.
When compared to competitive materials, this silicone ablative can handle the heat.