UL 94 VTM：塑料薄膜垂直燃烧测试
UL 94 VTM：Thin Material Vertical Burning Test
Abstract 摘要
ASTM D4804, Test Method for Determining the Flammability Characteristics of Nonrigid Solid Plastics (ISO 9773, Plastics – Determination of Burning Behavior of Flexible Vertical Specimens in Contact with a Small Flame Ignition Source)
