insulating firebrick meaning in English

保温耐火砖
隔热耐火砖
绝热耐火砖
耐火隔热砖

Standard classification of insulating firebrick
绝热耐火砖的标准分类
Test method for thermal conductivity of insulating firebrick
绝热耐火砖的热传导性的测试方法
Standard test method for reheat change of insulating firebrick
绝热耐火砖二次加热变化的标准试验方法
Standard test methods for size , dimensional measurements , and bulk density of refractory brick and insulating firebrick
耐火砖和绝热耐火砖的尺寸尺寸测量和松装密度的标准试验方法