The HT-5000 High Heat Curtain is made from High Silica Fabric that is 96% Pure. They can easily isolate a variety of processes, such as ovens or equipment that produces molten substances. This High Heat Curtain also has excellent resistance to weather, spatter, and molten splash. These high quality products will greatly increase productivity while also making your furnace more efficient by containing potentially dangerous elements within its walls This High Heat Curtain is meant for applications that need very high temp heat shields, and good insulating properties. The HT-5000 is designed to be a stationary barrier. Options include high heat velcro, extra grommets, and cut outs.