The A400 Plastic Primer is a specialist, transparent adhesion promoter designed for use on unpainted plastic components. Its main advantage is excellent adhesion, making it an essential product in the process of painting polypropylene and its blends. It is also recommended for use on other types of plastics, highlighting its versatility and effectiveness in improving layer adhesion. The formula of the A400 Plastic Primer was developed to ensure a strong and durable bond between the plastic surface and the applied paint, which is crucial for achieving a high-quality finish and long-lasting protection of painted elements.