When castables and brick are simply too complicated or bulky and formwork is unavailable, refractory plastics are a great solution. Refractory plastics can be used for a wide array of applications. Plastic refractory possess excellent strength and high density, as well as abrasion, slag and spall resistance. The plastics works well in boiler work, forge furnaces, ladle linings, burner blocks and patch work. It is applied in most cases using a pneumatic rammer the repeatedly pounds the refractory into place.