Flammability Tests for polymers assess their propensity to catch fire and the extent to which they support combustion. Common methods include the Vertical Flame Test (UL 94), limiting oxygen index (LOI), and oxygen bomb calorimetry. These tests evaluate factors like ignition resistance, flame spread, and heat release. Standards organizations such as ASTM and ISO provide guidelines for conducting these tests, ensuring consistency and safety in the assessment of polymer flammability.