Rubber including pre-coloured particulate or granular rubber, recycled rubber, pre-coloured rubber, particulate or granular rubber, particulate or granular rubber made from recycled rubber or recycled tires, shock absorbent paddings of rubber, playground surfacing and playground surfacing of rubber, impact absorbing rubber surfaces for playgrounds, articles of rubber for use in vibration attenuation or shock absorption, compositions of rubber, crumb rubber, granules of rubber, granules of recycled rubber mixed with plastic material, granules of rubber mixed with polyurethane binder, padding materials of rubber, protective covers of rubber, goods made from rubber, gutta-percha, gum, asbestos or mica, not included in other classes