Nanolex EX Pre Coat Spray 500ml ShowCarShine Nanolex Professional Prewash Concentrate 750ml Auto Brite Nanolex Sealants Long Lasting Protection & Shine Nanolex SiSplash Bnsjoppan. Nanolex EX 750mL Nanolex Ex is a non abrasive cleaning agent which removes oils,fillers, fats and other contamination to make sure that sealants can bond properly to the painted surface. Nanolex Paint Cleaner guarantees that your Paint surfaces are perfectly prepared for Nanolex Sealants.