1-15 Washprimer is a washprimer with etching and passivating properties. Do not apply under polyester spraying putty or on thermoplastic TPA coats. If you are not sure about the type of aluminium, always use Washprimer. Do not use Washprimer as a shopprimer. Never put an unfinished car with Washprimer in a humid environment. Best result will be obtained if fresh material is mixed in the morning and in the afternoon, in glass or plastic container. 1-15 SDS 1-15 TDS