Fiberglass cord 8x8x590 De Dietrich 7701573

The fiberglass cord 8x8x590 is a high-temperature sealing material used in boiler and burner applications to fill gaps and provide insulation. With dimensions of 8x8 mm and a length of 590 mm, this cord is suitable for sealing doors, access panels, or flue connections in heating equipment. It withstands extreme heat, making it a durable choice for boiler maintenance and repair, helping to improve energy efficiency and prevent heat loss.