Fire-resistant materials made of mullit and sillimanit are fire-resistant, have thermostability, stability to corrosion and erosion of glass mass, i.e. they have very low pollution of glass mass, they are the most widely used kinds of fire-resistant materials for the device of a feeder, glass-blowing machines, making glass pipes in domestic and foreign glass manufactures. The presented nomenclature of fire-resistant products of this kind is those: a brick of the channel of a feeder, lowering tray, the core, a ring sleeve, a mixer, a needle, a tube of a feeder, foam-blocking bar, slide valve of furnaces, blocks of torches, a grid-iron brick, a platband, a brick of thermal furnaces and other products (more than 100 kinds) of the various sizes.