MIL-DTL-717G涵盖了在可能遇到3000华氏度（°F）以下温度时使用的常规液压凝固高温浇注料耐火混合料，以及用作锅炉耐火衬里备用隔热材料的液压凝固隔热高温浇注料耐火混合料。

MIL-DTL-717G covers conventional hydraulic setting high-temperature castable refractory mix for use where temperatures up to 3000 degrees Fahrenheit (°F) may be encountered and hydraulic setting thermal insulating high-temperature castable refractory mixes for use as back up insulation for refractory linings of boilers.