NAFTOSEAL® MC-780 Class C is a two-component, manganese-dioxide cured polysulfide polymer system with reduced density providing excellent fuel tank and fuselage seals. NAFTOSEAL® MC-780 Class C maintains its flexibility and bond strength on most metal substrates like aluminium, stainless steel, steel, titanium, composite and many coatings under extremes of temperature, weathering and stress. It is designed for interfay surface sealing and wet riveting of fuselage components. and has outstanding resistance to aviation gasoline and jet fuel, as well as resistance to the chemicals and petroleum products used in the aircraft industry. Additionally it was developed for a service temperature between -55 °C (-67 °F) to +130 °C (+266 °F) and withstand a short-term temperature of +182 °C (+360 °F).
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Contains Substances of Very High Concern (SVHC) restricted for sale in EU and UK under Annex XIV of REACH. Please contact Aerospheres Sales Team for further advice on how to order this product.
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