BOLL Epoxy Primer 1:1

A two-component epoxy primer based on advanced epoxy resins, providing excellent anti-corrosive properties and adhesion to a wide range of surfaces. It is easy to work with and offers a short drying time.

The primer allows wet-on-wet recoating without sanding within 1-5 hours after application.

BOLL specifies a corrosion resistance classification of C4M according to ISO 12944-6.

Supplied as Primer only (Hardener not included)

COLOUR

• Pistachio

SURFACE PREPARATION

Steel, aluminum, galvanized steel and stainless steel

Sand with P320-P400, blow off the dust and degrease with BOLL Silicone Remover, then apply the epoxy primer.

Existing paint coatings

Sand with P220-P400, blow off the dust and degrease with BOLL Silicone Remover, then apply the epoxy primer.

Polyester putty

Sand with P240-P320, blow off the dust and degrease with BOLL Silicone Remover, then apply the epoxy primer.

Acrylic primer

Sand with P220-P320, blow off the dust and degrease with BOLL Silicone Remover, then apply the epoxy primer.

APPLICATION

1. Prepare the surface according to the surface preparation instructions.

2. Stir the epoxy primer thoroughly before use.

3. Mix the epoxy primer with BOLL Hardener for Epoxy Primer 1:1 in a ratio of 1:1 by volume:

• Epoxy primer: 1 part
• Hardener: 1 part

Alternatively, mix by weight:

• Epoxy primer: 100 g
• Hardener: 57 g

4. Add BOLL Epoxy Thinner according to the required application:

Filler version:

• No thinner required

Filler-insulator version:

• By volume: 10-25%
• By weight: 11-27 g per 100 g of epoxy primer

Wet-on-wet version:

• By volume: 30%
• By weight: 33 g per 100 g of epoxy primer

5. Mix all components thoroughly.

6. Recommended flow time using a DIN 4 cup at 20°C:

• Filler-insulator version: 30-50 seconds
• Wet-on-wet version: approximately 18 seconds

7. Pot life of the prepared mixture: 5 hours at 20°C.

8. Spray-gun settings:

• Nozzle: 1.3-1.8 mm
• Pressure: 1.7-2.2 bar

9. Apply 1-3 coats.

10. Allow 5-10 minutes between coats.

11. For wet-on-wet application, recoat without sanding within 1-5 hours after applying the primer.

12. Curing time:

• 5 hours at 20°C
• 30 minutes at 60°C

13. When using short-wave infrared drying:

• Maximum temperature: 90°C
• Drying time: 10-15 minutes

14. When sanding the cured primer:

• Dry sanding: P360-P600
• Wet sanding: P600-P1200

TECHNICAL PARAMETERS

Thickness of one dry coat: 25-30 μm
Application temperature: +15°C to +28°C

STORAGE

Protect the product from excessively low and high temperatures.

Avoid direct exposure to sunlight and store in a dry place.