For ignition samples, what is the required amount of mix for SP 5, 9.5, and 12.5?

The required amount of mix for ignition samples related to SP 5, 9.5, and 12.5 is 1500 grams. This quantity ensures that there is enough material to obtain accurate results while performing the ignition testing process, which is critical for determining the asphalt content and the quality of the mix being evaluated.

Using the correct sample size also helps to mitigate variabilities and ensures that the asphalt binder is effectively ignited so accurate readings can be obtained. This specific amount aligns with the protocols established in asphalt testing methods, ensuring consistent results across testing scenarios.

While other quantities may be relevant to different types of asphalt or testing methods, the choice of 1500 grams is specifically designated for the SP 5, 9.5, and 12.5 mixes in the context of ignition sample requirements.