F-557
High purity Silica filled resin system coated on commercial or aerospace grade silica fabric. Combines higher strength and ablative properties for demanding applications. Low thermal expansion
Park’s F‐557 is a high purity silica filler phonic resin coated on Commercial or Aerospace grade silica fabric. F‐557 is used in the manufacture of intermediate temperature ablative rocket nozzles, heat shields, and combustion chambers in highly oxidative environments.
Key Features & Benefits
- Provides a combination of high‐strength and ablative properties for demanding applications
- Low thermal expansion
- Good Tack and Drape properties
Product Forms
- Available in Broadgoods, Molding Compound and Bias Tape
- Solution coated fabrics up to 60 inches wide
- Compatible with Autoclave or Press Molding processes
Applications / Qualifications
- Rocket Nozzles
- Combustion Chambers
- Heat Shields
- Rocket Motor Throat Sections