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TENMAT FIREFLY 102B is a rigid intumescent material that possesses good pressure generation and mid-range free expansion performance. TENMAT FIREFLY 102B produces a very solid and durable char structure.

TENMAT FIREFLY 102B is most commonly used as the intumescent core within air transfer grilles to maintain fire compartmentation in timber fire doors. The material would also be suited to applications including as a fire seal for door and glazing applications, ironmongery protection, construction joints, gaskets and general gap sealing.
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