It is a product with 2-5g / m2 phosphate coating weight which is used before the bonding operations of iron and steel parts with electrostatic powder coating and rubber. It makes a homogeneous and compact coating, so no activation bath is required. A long bath life is achieved with the accelerator. High corrosion resistance is provided in powder coating applications. It is good to use before the rubber bonding operations. The bath concentration is 4-5%, the temperature is 70 – 75 ° C, the processing time is between 3 – 5 minutes.