PPG PR1782 B-2 Low Density Fuel Tank Sealant
PPG PR1782 Class B is a low density, aircraft fuel tank and general purpose sealant with a service temperature range from -54°C to 121°C (-65°F to 250°F).
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Please Note: Specifications and approvals are subject to change at any time. Users should always consult their AMM or the OEM when selecting products to ensure items have the release needed. Only specifications listed on the order confirmation will be certified on the Silmid CofC.
This material is designed for fillet sealing and other aircraft fuselage sealing applications and offers as much as a thrity percent weight savings, per unit volume, over traditional sealants used for these purposes.
The cured sealant maintains excellent elastomeric properties after prolonged exposure to aircraft fuels - both jet fuel and aviation gas - and will resist limited contact to diphosphate ester based hydraulic fluids.
PR1782 Class B is a two-part, manganese dioxide cured polysulfide sealant. The uncured material is a low sag, thixotropic paste suitable for application by extrusion gun or spatula. It cures at room temperature to form a resilient sealant having excellent adhesion to common aircraft substrates.
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