Würth Rost-Off Blue Ice Rust Remover 400mlWürth Rost-Off Blue Ice is a high‑performance rust remover designed for loosening heavily rusted and seized screw connections. Its special cracking effect cools the treated surface down to approximately ‑45°C, creating micro‑fine cracks in the corrosion layer and allowing the active ingredients to penetrate deep into the rust.A built‑in visual cold indicator turns the treated area blue once the required processing temperature has been reached, ensuring effective application.Key Features:Powerful rust remover with cracking effectCools surfaces down to approximately ‑45°CVisual cold indicator turns blue when the required temperature is reachedQuickly penetrates rust and helps loosen seized screws and boltsSuitable for heavily rusted and oxidised connectionsProvides lasting corrosion protectionMineral oil basedSilicone‑free, resin‑free, acid‑free, AOX‑freeCompatible with rubber and sealsSupplied in a 400ml containerApplications:Ideal for loosening extremely rusty and oxidised screw connections on passenger cars, commercial vehicles, agricultural machinery, construction machinery, equipment, and other mechanical components.Directions for Use:Remove as much coarse dirt and contamination as possible before application. Shake thoroughly. Apply directly to the seized or rusted component from a short distance until the treated area turns blue. For particularly stubborn connections, repeat the application as required. Remove any excess product or overspray immediately from delicate or painted surfaces.