1.The light weight and high insulating value make furnace walls thinner, and can save much of the engergy2.The high compressive strength of insulating firebricks allows self-supporting structures at elevated temperature, lFB are compatible with dense firebrick, and add strength to the whole construction.3.TREND lFB can store low heat and have good effect on intermittent furnace.4.The age of the furnaces that using TEND IFB can be stretched and avoid spoiling.5.The precise measurements make the joints small and uniformity, so courses of the wall can be loaded quicklyand easily, and the result is stronger, tighter , refractory lining in less heat loss throuah the joints.6.The very low iron and alkali flux content confers good refractoriness and the high alumna content contributesto both of their stability and insulating in reducing atmosphere.7.The biggest dimension of the bricks that We are provide are as 900x500x100mm, 610x230x76mm, and308x305x158mm, even 1000mm in length and 600mm in width and other dimensions as customers requiredand the brick can be machined to special shape, reducing the brick work joints and the number of bricklaying8.In addition to the great number of standard sizes available, insulating firebricks are also available in special cemented or machined shapes. The unique large slab means that a finished Shape will have fewer jointsfewer joint than shapes made from any other lFB manufacture.