Pyro Mate Silicone is a neutral cure elastic silicone sealant which conforms to BS 476 Part 20/EN1366-4 (2006) for fire retardancy and has a fire rating of up to 4 hours in certain joint configurations. Acoustic rated to BS EN ISO 140/3. tested for air permeability to EN13141-1 Ventilation for buildings. Performance testing for components/products for residential ventilation. Conforms to ISO 11600 class: F 25LM when tested to ISO 9047, 8339 and 10563.
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