Aerosol clear coats (spray paints) are widely used in automotive touch-ups, DIY projects, and metal protection due to their portability, fast drying, and ease of use.
Core Formulation Analysis
A high-quality aerosol clear coat consists of two parts
Step 1: Base Liquid Preparation
- Use Paraloid B-66 (50%). This resin offers exceptional hardness (12~13 KHN) and superior adhesion.
- Primary solvents to ensure full resin dissolution.
- Adjusts evaporation rate to prevent blushing caused by fast surface drying.
Step 2: Canning Ratio
- Clear Coat Base: 70g
- Propellant: 70g
- Ratio: 1:1 A 1:1 ratio ensures consistent spray pressure.
Key Performance & Operational Tips
For small-to-medium manufacturers, mastering these parameters is essential for quality control:
- Viscosity should be 12~15s (Ford Cup #4). High viscosity leads to poor atomization (orange peel), while low viscosity causes sagging.
- Rapid solvent evaporation shortens application intervals.
- Ensures the base colors (metallic or fluorescent) are perfectly displayed.
- Provides excellent UV resistance.
Procurement Perspective: How to Source Quality Aerosol Clear Coats?
Purchasers should focus on these indicators when selecting suppliers:
- Whether reputable resins like Paraloid B-66 are used.
- The solid content after canning (approx. 7.0%) determines the film’s fullness.
- Ensure chemical inertness towards metals, plastics, and fluorescent pigments.
One-Stop Formula Development Service
If you are a coating or ink factory and want to produce coating,
we can provide:
- customized formula based on your requirements
- raw material supply
- production process guidance
- 100% implementation support until your product is stable
Helping your project run smoothly and reduce production risk.
Contact us for the complete recipe proportions.