Flexible compound gasket seal - a smooth, highly flexible, durable thick red paste suitable for large joints or gaps. Resistant to cracking. Seals close fitting joints betwenn rigid metal faces and flanges. Applications include gearboxes and engine casings. Easily applied, cures once confined between parts to provide a tough Form-In-Place, flexible gasket. Provides an Instant low pressure seal. Colour: Red. 50ml. Equivalent to Loctite Ref: 518