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Fineline Masquepen 18 Gauge Applicator & Bottle Masking Fluid 37.5ml

Precision masking fluid with a 18 gauge (0.8mm) metal applicator tip, designed for clean and controlled resist effects in watercolor, alcohol inks, gouache and ink techniques. Dries light blue for visibility and removes easily without damaging paper.
Availability: In stock
€16.50
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The Fineline 18 Gauge Applicator & Bottle Masking Fluid is designed for artists who need maximum control and fine detail when creating resist effects. The built-in 0.8mm metal tip allows you to draw directly with masking fluid, protecting highlights, fine lines and intricate shapes with precision.

The fluid dries to a light blue tint, making it easy to see where it has been applied. Once your artwork is complete and fully dry, the masking fluid can be removed effortlessly by gently rubbing it away with your fingers or a rubber cement pick-up, revealing clean, sharp white areas beneath.

Its ergonomic squeeze bottle provides controlled pressure, while the specially designed applicator tip helps prevent clogging and includes a separate cap for safe storage. The formula contains hypo-allergenic latex, making it suitable even for users sensitive to natural latex.

Ideal for watercolor, gouache, alcohol inks, drawing inks and mixed media, this masking fluid performs best on heavier papers such as watercolor or bristol surfaces. For optimal results, it is recommended not to leave the masking fluid on paper for more than two days.

👉 Features

  • Precision masking fluid for resist techniques
  • Dries to a light blue color for easy visibility
  • Removes cleanly without tearing or damaging paper
  • 18 gauge (0.8mm) metal applicator tip for fine detail
  • Ergonomic bottle for controlled application
  • Anti-clog tip design with protective storage cap
  • Contains hypo-allergenic latex
  • Suitable for watercolor, gouache, inks & alcohol inks
  • Recommended for heavier papers (watercolor, bristol)
  • Do not leave on paper longer than 2 days
  • Volume: 37.5 ml
  • Brand: Fineline

Inspiration Tip

Use the fine metal tip to draw delicate lines, dots or small patterns before applying bold watercolor washes or alcohol inks. Once removed, the preserved details pop through the color and create striking contrast, depth and crisp highlights that elevate the entire piece.