How to Applying Ak Interactive Matt Varnish
Here’s how to apply AK Interactive Matt Varnish to your model:
How to Apply AK Interactive Ultra Matte Varnish: Quick Application Guide
Quick Verdict: AK Interactive Ultra Matte Varnish (AK-183) delivers an industry-standard dead-flat finish with zero residual sheen. For airbrush application, spray straight from the bottle or thin up to 10–20% with dedicated acrylic thinner at 15–18 PSI through a 0.3mm or larger nozzle. Always spray 2 to 3 thin mist passes rather than a single heavy wet coat to eliminate the risk of white chalky frosting.
| Parameter | Airbrush Setting | Hand-Brush Setting |
|---|---|---|
| Thinning Ratio | Spray unthinned, or thin 80:20 (Varnish : Thinner) | Thin 70:30 with distilled water or acrylic thinner |
| Recommended Thinner | AK Acrylic Thinner (AK-712) or Distilled Water | Water or Acrylic Flow Improver (1 drop) |
| Operating Pressure / Tool | 15 to 20 PSI (0.3mm to 0.5mm nozzle) | Wide, soft synthetic flat brush (Size 4 or 6) |
| Touch-Dry Time | 15 to 30 minutes at room temperature | 20 to 45 minutes |
| Time Between Coats | 2 to 4 hours between mist coats | 4 to 6 hours before re-brushing |
| Full Cure (Weathering Safe) | 24 hours before applying enamel or oil washes | 24 hours |
Essential Rules to Avoid Frosting & Clouding
- Stir the Settled Silica Agents Thoroughly: The micro-silica agents responsible for flattening light settle at the bottom of the bottle. Shake vigorously with an agitator ball for at least 60 seconds before pouring.
- Never Flood Recesses: Applying a heavy, pooling coat traps liquid varnish inside panel lines and cockpit corners. As the water evaporates, concentrated silica turns into permanent white chalky residue.
- Spray at 10–15 cm Distance: Spraying from too far away causes the atomized varnish droplets to partially dry in mid-air, creating a sandpaper-like gritty surface texture.
- Avoid Alcohol-Heavy Thinners: Do not thin AK acrylic varnishes with high-concentration isopropyl alcohol (IPA) or harsh lacquer thinners, as this destabilizes the water-based acrylic resin binder.
Frequently Asked Questions
Why did my AK Ultra Matte Varnish dry white or cloudy?
Cloudy or frosted finishes occur when the varnish is applied in a heavy wet coat that pools in recesses, when sprayed in high relative humidity (above 70%), or when the underlying acrylic paint layer had not fully cured before sealing.
How long should I wait between coats of AK matt varnish?
While the surface feels dry to the touch in 20 minutes, wait at least 2 to 4 hours before applying a second light coat. Wait a full 24 hours before masking or applying enamel and oil-based weathering washes.
Can I thin AK Interactive Matte Varnish with tap water?
While small amounts of tap water work in an emergency, distilled water or AK Acrylic Thinner (AK-712) is strongly recommended to prevent mineral staining and maintain proper surface tension.
Materials:
- AK Interactive Matt Varnish
- Brush (optional)
- Airbrush (recommended)
- Airbrush thinner compatible with AK Interactive paints (e.g., AK Interactive Xtreme Cleaner/Thinner)
- Airbrush cleaning supplies
- Model properly primed and prepped (smooth surface, free of dust and grease)
Preparation:
- Clean and dry your model thoroughly. Ensure any washes, pigments, or other weathering effects are completely dry before applying the varnish.
- Choose your application method: You can use either a brush or an airbrush.
Applying with a brush:
- Stir the varnish gently before use.
- Dip your brush lightly into the varnish and wipe off any excess on the rim of the bottle.
- Apply the varnish in thin, even coats, using smooth strokes in one direction. Avoid overworking the varnish, which can lead to streaks or unevenness.
- Allow each layer to dry completely before applying the next. This usually takes around 15-30 minutes depending on the thickness of the coat and ambient conditions.
Applying with an airbrush:
- Thin the varnish with appropriate thinner according to the manufacturer’s instructions. AK Interactive recommends a 1:1 (varnish:thinner) ratio for airbrushing.
- Fill your airbrush with the thinned varnish and adjust the pressure to a low setting (around 10-15 psi).
- Hold the airbrush perpendicular to your model’s surface, maintaining a distance of 10-15 cm.
- Apply the varnish in thin, even layers, using a “pull” technique. Start outside the desired area and slowly move the airbrush inwards, creating a smooth transition.
- Build up the coverage gradually with multiple thin layers instead of applying one thick coat. This helps achieve a smooth and even matte finish.
- Rotate your model as you apply the varnish to ensure even coverage on all sides.
Additional Tips:
- Practice on a scrap piece of plastic or model sprue before applying the varnish to your actual model. This helps you get comfortable with the application method and desired consistency.
- Work in a well-ventilated area and wear a mask when airbrushing to avoid inhaling paint fumes.
- Clean your brush or airbrush thoroughly after use to prevent clogging and maintain optimal performance.
- Allow the final layer to dry completely before handling your model. This usually takes several hours, depending on the number of coats applied and ambient conditions.
Remember, patience and practice are key to achieving a smooth and even matte finish with AK Interactive Matt Varnish.
