Insulfrax® WR Blanket is a water-repellent, lightweight, flexible needled blanket manufactured from Insulfrax alkaline earth silicate wool. Specially developed to resist water ingress, Insulfrax WR Blanket is especially suited for fire protection in offshore and other high-humidity environments. Available in a variety of density and thickness combinations, WR blankets provide effective solutions in a variety of high-temperature applications. Insulfrax® thermal insulation products are based on a calcium, magnesium and silicate composition that produces products capable of withstanding continuous operating temperatures up to 1100 °C. Insulfrax products are designed to have enhanced in-vitro solubility characteristics, which enable Insulfrax products to meet European regulatory requirements (Directive 97/69/EC) for synthetic vitreous fibres.