Series:B318t sand disc Backing:velcro/pressure Sensitive Adhesive ... have products such as oslong KP328E, oslong B312T, oslong B318T, oslong L338, oslong KA718 and we are able to ... quality and the long-term stability of our products .B318T ABRASIVE PAPERBacking:115g latex paperAbrasive:Aluminium oxideGrit:p80-p600Size ... sanding on both level and irregular surfaces. OSLONG B318T sand disc with velcro /psa