The binder is a low-viscosity thermosetting resin, which can be converted to a high-meltmg-point solid by addition of an appropriate substance Besides sand, gravel, or crushed stone, it is possible to use andesine, barite, trifoliate, or graphite, depending on the purpose for which the polymer concrete is to be used Steel rods may be inserted or nonmetallic fibers may be dispersed in the material to reinforce it and give a very strong product
展开▼
