Features: Service rating to 1000°F / 538°C. Flexible for installation around tight corners and friction fit ′′U′′ channels. These ropes are easily bondable with Fyre-gard adhesive or optional Fyre-gard pressure sensitive tape. Fiberglass is a cost effective thermal protection resistant to most chemicals (pH range 4 - 9) with the exception of Hydrofluoric and Hot Phosphoric Acid and wet Hydrogen Chloride. Fiberglass will not burn, smolder or absorb water.