CarPlan Gastite Blue: CarPlan Gastite Blue is a non-hardening gasket and joining compound suitable for use on all kinds of joints with a gasket or for easy sealing of metal joints where a gasket is not required. Benefits: Resistant to petrol, diesel, oil water, steam and anti-freeze, quick and easy to dismantle components after assembly, non-hardening compound allows extended working time, holds gaskets in place during assembly, withstands temperatures from -40 to +150 deg C