Fiberglass putty - Measurement: 500 ml. - Instructions: > Thoroughly clean the surface to be treated and make sure it is smooth and free of grease. > Mix the entire application with the catalyst (1-3%). > Apply the product with a spatula. > The surface can be sanded after 30 minutes. - Ideal for repairing cars, motorcycles, boats, caravans, spoilers, tanks and fibreglass containers.