Basalt fiber

The main energy consumption for the preparation of basalt raw materials to produce of fibers is made in natural conditions.Thicker fiber is used in filament winding, for example, for production of compressed natural gas (CNG) cylinders or pipes.Comparison: [citation needed] The first attempts to produce basalt fiber were made in the United States in 1923 by Paul Dhe who was granted U.S. patent 1,462,446.These were further developed after World War II by researchers in the US, Europe and the Soviet Union especially for military and aerospace applications.According to paragraph 1.1. the standard extends to all types of non-metallic fibers (polymers, polypropylene, glass, basalt and carbon).
Basalt fiber (right) compared to glass fiber (left)
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