1)The wool felt products are made from raw wool. 2)wool felt performance standards: GB FZ/T25001-92. Product’s NameDrawing feltUsageThe wool felt for painting is used for a variety of painting and calligraphy pad, feel flat.It can absorb water, keep painting color.the surface of felt is uniformity, white and soft, elastic.Advantage1. Sound absorption, soft moistureproof, heat insulation, style ...