RHT 80 and RHT 60 are a non-combustible, semi-rigid mineral wool insulation board that is lightweight and water repellent. RHT 80 and RHT 60 are excellent for specifications requiring high temperature (1200 F) insulation accompanied with a need for durability and compressive resistance. Common applications include: general commercial construction, storage tank insulation, drying and oven equipment, petro-chemical and power generating equipment protection. This product can be faced with reinforced foil, ASJ and glass mat facings. Please note that the facings will influence the product's service temperature range.