This chapter contains sections titled: Introduction Flammability Test (Nonrigid Solid Plastics) (ASTM D 4804) Flammability Test (Self-Supporting Plastics in Horizontal Position) (D 635) Flammability Test (Solid Plastics in Vertical Position) (D 3801) Ignition Properties of Plastics Oxygen Index Test (ASTM D 2863, ISO 4589) Surface Burning Characteristics of Materials Flammability of Cellular Plastics—Vertical Position (ASTM D 3014) Flammability of Cellular Plastics—Horizontal Position (ASTM D 1692) Flame Resistance of Difficult-to-Ignite Plastics (Federal Std. No 406 Method 203) Smoke Generation Tests UL 94 Flammability Testing Meeting Flammability Requirements References Suggested Reading