RAL 9004 – Signal Black Spray Paint | Aerosol Spray Paint UK

RAL 9004, also known as Signal Black, is a deep, intense black shade widely used in various industries for its strong, sleek appearance and excellent coverage. It is a versatile colour suitable for automotive, industrial, and architectural projects where a rich black finish is required.

At Aerosol Spray Paint UK, we supply RAL 9004 spray paint in convenient 400 ml aerosol cans. Choose between our standard 1K paint or the advanced 2K AirDry Converted paint (+£2.00) for enhanced durability and finish. Multiple gloss levels are available — full-gloss, semi-gloss, satin, and matt — so you can select the perfect look for your project.

What is RAL 9004 Signal Black?

RAL 9004 is a pure, solid black colour with a balanced tone that avoids blue or brown undertones. This ensures a consistent, professional appearance on any surface. Signal Black is highly regarded for its opacity and smooth finish, making it a favourite for both functional and decorative uses.

Paint Types and Gloss Levels

1K Paint: Easy to use, quick drying, perfect for everyday projects.
2K AirDry Converted Paint (+£2.00): Offers superior hardness, chemical resistance, and weather durability, ideal for demanding applications.

Available gloss finishes:

Full-Gloss: Creates a high-shine, reflective black surface for a striking look.
Semi-Gloss: Offers a balanced sheen with moderate shine.
Satin: Provides a subtle, silky finish that reduces glare.
Matt: A flat, non-reflective finish that gives a modern and understated look.

Recommended Primers and Clear Coats for RAL 9004

For the best results and longevity, pair your RAL 9004 paint with these primers and clear coats:

400ml Acrylic Primer (+£10.99): Ensures strong adhesion and smooth coverage.
400ml Etch Primer (+£10.99): Ideal for preparing bare metal surfaces and preventing rust.
500ml Pro XL Lacquer (+£10.99): Adds a durable protective glossy finish.
400ML Pro XL Matt Clear (+£10.99): Protects the paint while maintaining a matt look.

Typical Uses for RAL 9004 Spray Paint

Automotive parts: Perfect for trims, grills, and wheels where a sleek black finish is desired.
Industrial equipment: Provides protection and a professional black coating for machinery.
Home and garden fixtures: Suitable for metal fences, gates, and furniture.
DIY and craft projects: Great for achieving a smooth, opaque black finish.

Why Choose Aerosol Spray Paint UK for RAL 9004?

Authentic RAL colour matching for pure Signal Black.
Options for quick-drying 1K paint or tougher 2K AirDry paint.
Variety of gloss levels to suit different applications.
Fast UK delivery and excellent customer service.
Competitive pricing with premium upgrade options.