PR-1770® Class A Fuel Tank Sealant
PPG PR-1770 Class A sealant is a two-part high temperature resistant sealant with a service range from -55°C to +180°C. It resists aircraft fuels and lubricating oils and degradation by phosphate ester hydraulic oils. This manganese dioxide cured sealant is based on PERMAPOL® P-5 polymers. The uncured material is a thick liquid applied by brush or roller.
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PR-1770 A is a two-part, high temperature resistant, brushing sealant for use over a temperature range of -55°C to +180°C, with outstanding resistance to aircraft fuels and lubricating oils and resistance to degradation by phosphate ester type hydraulic oils.
PR-1770 A is a manganese dioxide cured sealant based on Permapol P-5 liquid polymers, a chemically modified, improved class of polysulphide polymers covered by US Patent 4,623,711. The uncured material is a thick liquid suitable for application by brush or roller. The cured sealant maintains excellent elastomeric properties after prolonged exposure to
aircraft fuels.