Meaning and use
3.1 If multiple test methods or test conditions are listed in this Index for the same feature, the choice of method and conditions to be followed will need to depend on the experience and requirements in each case, as well as the agreement between the buyer and the seller. Users of this standard should be reminded that results obtained through different test methods and different test conditions cannot be directly compared.

ASTM D3105-2017 Test Method for Roof Waterproofing Materials of Elastomer and Plastic Bodies

Radius
1.1 The index is for informational purposes only to assist in the selection of procedures and test methods for evaluating sheet and liquid roofing materials (as appropriate). General composition specifications and methods of analysis and raw material testing are not included, and the scope is limited to procedures used to evaluate received materials or finished materials or coatings.