Containerboard what cardboard do you mean?
Paper insole board: midsole board, made of wood pulp fiber, added styrene butadiene latex and other high strength cardboard, set shape, good permeability. In fact, the bottom board is also fiber, so some people called "fast Pakistan paper", it should be translated by Cantonese there in Hongkong. But this one is made of wood pulp, and the top board is made of chemical fiber.
Non wovern: non woven insole. A woven or laminated fabric, such as a base plate, or simply made of non-woven fabric, softer.
Fiber insole board: chemical fiber panel. Usually refers to a chemical fiber fabric, which contains inorganic filler, harder than non-woven.
