... different kinds of crystallization production, sintering monocrystalline silicon for semiconductors. Since these furnaces work at extremely ... industries for various applications Vacuum and High Pressure Sintering Industry:Heat Insulation for Hard Metal Sintering ... Hardening, Tempering, etc.Crystal Growing Industry:Heat Insulation for Silicon, SiC, Indium Phosphide, Gallium Arsenide, Sapphire, Optical ...