Shake the aerosol can vigorously in a vertical motion, until the agitator ball is heard and continue to shake for a further 3 minutes. To help you achieve this, we offer a full suite of rust treatment products, including: Car rust remover Our range of direct-to-metal paints can be applied on top of the affected area and instantly provide reliable rust-proofing for years to come. Produced by Hammerite, our car paints are available in pots or in spray cans and in a variety of popular colours. They’re perfect for DIY car-rust repairs. Car rust removal solutions from Halfords Spray a test patch of Hammerite Direct to Rust Smooth Aerosol Spray Paint onto previously painted surfaces and leave for 1 hour. We will be happy to organise an exchange for the correct goods at no extra charge to yourself, please get in touch to organise this. Faulty Items