Low-priced stock that sells at less than $1.00 per share. Often highly-speculative and volatile, such as start-up mining companies. While, in general, penny stock are considered high-risk securities, some penny stock mature into less-speculative investments. All penny stock are traded over-the-counter.
In its natural form, cork is also a very good fire retardant, although cork dust is actually extremely flammable (because here the cell structure has been broken down). Impermeable: Cork has a magic chemical in its cell membrane that makes it completely impermeable to liquids and gases.
Solid cork flooring is made 100% of cork from the top to bottom and comes in different sizes and thickness. This type of cork floor can be unfinished and prefinished. Engineered cork floor consist a few layers compressed together and its construction similar to the engineered hardwood floor.Core layer is usually medium density fiberboard (MDF) or high density fiberboard (HDF).ork floor is very comfortable and beautiful flooring materials option. In addition, cork floor is quiet and reduces impact sound of walking by people or pets. Cork flooring material is naturally anti-microbial and has excellent insulation properties, ensuring minimal heat loss.