Microfibrous fabric having a suede appearance, within the colour range of grey and black, with a high light fastness, and preparation method thereof

A non-woven artificial leather, having a suede appearance, said non-woven artificial leather consisting essentially of a non-woven microfibrous component and an elastomeric matrix;

• the non-woven microfibrous component comprising polyester microfibres having a count of 0.01 to 0.50 dtex and carbon black pigment in a percentage of 0.05 to 2.00% by weight;
• the elastomeric matrix comprising polyurethane comprising soft and hard segments and carbon black pigment in a percentage of 0 to 10% by weight;
• wherein the soft segments comprise at least one polycarbonate diol selected from polyalkylene carbonate diols, and at least one polyester diol;
• wherein the hard segments comprise urethane groups deriving from the reaction between free isocyanate groups and water;
• and
• wherein part of the microfibrous component forms tassels on a surface of the artificial leather having an average length ranging from 210 to 400 microns, which provides an improved mottling effect and writing effect.