Choosing the right spray tip is crucial for achieving a high-quality finish and maximizing efficiency in your coating projects. Understanding how to select the optimal spray tip size for different coatings can significantly impact your work's quality and productivity. Let's explore the key factors to consider when selecting spray tips for various coating materials.
Understanding Spray Tip Sizing
Spray tips are typically identified by a three-digit code, such as 517. Here's what these numbers mean:
- The first digit (5) multiplied by 2 indicates the fan width (10 inches) when sprayed from 12 inches away.
- The last two digits (17) represent the orifice size in thousandths of an inch (.017).
Matching Tip Size to Coating Type
Different coatings require different tip sizes for optimal application. Here's a general guide:
- Lacquers and Stains: .009 - .013
- Oil-Based Paints: .013 - .015
- Latex Paints: .015 - .019
- Heavy Latex or Smooth Elastomeric: .021 - .025
- Elastomeric and Block Filler: .025 - .035+
Factors to Consider
When selecting a spray tip, keep these factors in mind:
- Coating Viscosity: Thinner materials require smaller orifices, while thicker coatings need larger ones.
- Desired Finish: Smaller tips generally provide a finer finish.
- Surface Size: Larger surfaces benefit from wider fan patterns.
- Sprayer Capacity: Ensure your sprayer can support the chosen tip size.
Fine-Tuning Your Selection
To achieve the best results:
- Test different tip sizes on sample surfaces.
- Consider the specific recommendations provided by coating manufacturers.
- Adjust your technique based on the chosen tip size and coating properties.
Remember, the right tip size not only improves finish quality but also enhances efficiency by reducing overspray and material waste. By carefully selecting your spray tip, you'll set yourself up for success in your coating projects.
You can find our spray tips here: https://www.purspray.ca/collections/rac-switchtips
