Nynas has achieved completion of CE marking for its paving grade bitumens Nynas has achieved completion of CE marking for its paving grade bitumens, hard paving grade bitumens, bitumen emulsions, cut-back bitumens and fluxed bitumens. Nynas polymer modified bitumens will be CE marked during 2011. CE marking is an EU official confirmation that our products fulfil the product specifications and the essential requirements of the Construction Products Directive.