The Colourlock Crosslinker CD improves the friction values, sensitivity and protective qualities of Colourlock Top Coat – making the surface more robust, and reduces the consumption of Top Coat. Dosing: For soft leather surfaces, Colourlock Crosslinker CD is added to Colourlock Top Coat: 1% for soft furniture and garment leathers; 2% for robust and stressed car and furniture leathers. When re-colouring car or furniture leathers, add: 2% of Colourlock Crosslinker CD to the Colourlock Leather colour, and 1% in the Colourlock Top Coat for soft furniture and garment leathers; 2% in the Colourlock Top Coat for robust and stressed car and furniture leathers. For artificial leathers and vegan leathers: 5% in the Colourlock Leather Colour, and 5% in the Colourlock Top Coat. For hard or plastic-like surfaces (steering wheels, dashboards, etc.) add: 8% into the Colourlock Plastic Primer ND; 8% in the Colourlock Leather Colour, and 8% in the Colourlock Top Coat.