As a noun, an interface is either: 1  A user interface, consisting of the set of dials, knobs, operating system commands, graphical display formats, and other devices provided by a computer or a program to allow the user to communicate and use the computer or program.
What are flammable and combustible materials? Flammable materials can be found as solids, liquids, or gases. Flammable solids can be classified in three categories: desensitized explosives, self-reactive materials, and readily combustible solids.
Flexible Polyurethane Foam Flammability. Flexible polyurethane foam (FPF) is an organic material and, like all organic materials, is flammable. Organic materials include a variety of common substances including wood, paper, cotton, wool, nylon, polyester, polyethylene, and polystyrene and other plastic materials. Polyurethane Foam Association members have provided their customers with educational materials about FPF flammability for more than 20 years.