2 component polyester resin to be used in combination with the enclosed fibreglass mat and fibreglass fleece. To fill holes in surfaces of steel, aluminium, wood, concrete and polyester. Also suitable to create objects for which a mould is required. Polyester resin is elastic and resistant to chemicals and weather influences. MoTip Polyester Resin has excellent adhesion and is, after hardening, only mechanically sandable.