PPG Hardener
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PPG Hardener
Presentation of the PPG Brand
PPG Industries, founded in 1883, is a major global player in the field of coatings, paints, and specialized materials. Known for its constant innovation and product quality, the brand operates in several key sectors: automotive, aerospace, industry, and construction. Its commitment to sustainability and performance makes it a trusted partner for auto body professionals.
For what types of surfaces should a PPG hardener be used?
PPG hardeners are formulated to be compatible with a wide variety of substrates:
- Metal bodies
- Plastics
- Fiberglass
They offer optimal adhesion and a durable finish, while effectively protecting against scratches, extreme weather conditions, and chemicals.
What is the correct mixing ratio between PPG paint and hardener?
To ensure a professional result, it is essential to adhere to the recommended mixing ratio by PPG. Generally:
- Paint: hardener = 4:1 (four parts paint to one part hardener)
This ratio may vary depending on the product and application conditions. Therefore, it is imperative to refer to the technical data sheet of each product.
How to mix PPG clears and hardener?
The PPG clear/hardener mix must be prepared with care. Follow the steps below:
- Preparation: thoroughly clean and dry the surface to be cleared.
- Mixing: adhere to the indicated ratio, generally 2:1 (two parts clear to one part hardener).
- Stirring: mix thoroughly until a homogeneous consistency is achieved.
- Resting: let it rest for a few minutes to eliminate air bubbles.
- Application: apply with a spray gun following PPG's recommendations for optimal results.
Reviews and feedback on PPG hardeners
PPG hardeners are widely praised by professionals and auto body enthusiasts. Among the frequently cited strengths:
- Ease of use: simple mixing, smooth application.
- Durability: excellent longevity, even in extreme conditions.
- High-quality finish: remarkable gloss and clarity.
- Effective technical support: clear documentation, responsive customer service.
Although some consider PPG products relatively expensive, the majority of users believe that the quality fully justifies the investment.

