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and will resist limited contact to diphosphate ester based hydraulic fluids
he is the author of numerous aviation articles
Product Color: Light Tan
or 5-Gallon Pail
PRC Desoto - PS-890 B1/2 Gray Fuel Tank Sealant - 2.5oz kit P37 Prep Polish and will resist limited contactPRC Desoto PS 890 B1 2 Gray Fuel Tank Sealant 2. 5oz kit P S Class B is an aircraft integral fuel tank sealant. It as service temperature range from 65F ( 54C) to 250F (121C), with intermittent excursions up to 275F (135C). This material is designed for fillet sealing of fuel tanks and other aircraft fuselage sealing applications. The cured sealant maintains excellent elastomeric properties after prolonged exposure to both jet fuel and aviation gas. P