Johns Manville's High Temperature Blanket (HTB) 26 Spin-Glas® is a lightweight insulation blanket designed to provide high insulating efficiency for industrial applications. HTB 26 Spin-Glas is an excellent choice for applications requiring a low density blanket. In addition, its high tensile strength provides resistance to damage during installation and it is manufactured with a Formaldehyde-Free™ binder. This flexible blanket performs well for heated, irregular surfaces or in the manufacturing of removable insulating pads and covers.