What is the application temperature for Carbon Flex? March 11, 2024 18:47 The application temperature range for an application of Carbon Flex is 50°F to 100 °F. Related to carbonflex Related articles What is the cure time for Carbon Flex? Ceramic Spray Instructions At what temperature is it best to apply Nexgen Ceramic Spray? Does Nexgen Ceramic Spray work on boats? How do I prepare my car before applying Nexgen Ceramic Spray?