What Is Solids Content?
Solids Content is the portion of a coating that remains after liquid components evaporate. The solids form the lasting film on the surface. Higher solids content usually means more coating material stays behind, while lower solids content leaves a thinner film. The measure helps compare coating build and expected coverage.
Quick Facts About Solids Content
Category
Coating property
Used for
Planning film build
Common confusion
Not the same as wet thickness
Also called
Volume Solids, Nonvolatile Content
Often discussed with
Commercial cool-roof compliance coating application
Key Takeaways About Solids Content
- It describes the coating film left after drying.
- It helps plan coating build and coverage.
- Solids content is not the same as coating thickness.
How Solids Content Works
Solids Content describes the material that stays on a surface after a coating dries. Liquid carriers leave through evaporation or other drying actions. The remaining binders, pigments, and additives form the coating film.
Related glossary terms: Binder, Coverage Rate, Cure Time.
Product data may express solids content by volume or by weight. The measurement helps coating professionals estimate film build from the applied material. A coating with higher solids content can leave more film from the same wet application, but surface condition and application method still affect the result.
For commercial cool-roof compliance coating application, solids content helps the crew plan the coating system. The team checks the product data and applies the material over a properly prepared roof surface. Drying conditions can affect how the final film forms.
Expert Note
When we plan a commercial cool-roof coating application, we review the product data for solids content and required film build. We also check the roof surface and drying conditions, because the listed property does not replace careful application.
Solids Content in Practice: A Real-World Example
A commercial roof coating with higher solids content may leave a fuller film after its liquid carrier dries. The crew still needs proper surface preparation and even application to achieve the planned coating system.
Related Services
Related Terms
Binder
A binder is the liquid ingredient in paint that holds pigment together and helps the coating…
Coverage Rate
Coverage Rate is the amount of surface area a coating can cover under stated application conditions…
Cure Time
Cure Time is the period an epoxy coating needs to develop its intended hardness and resistance…
Primer
A primer is a preparatory coating applied before paint to help the finish bond, cover stains…
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