Abralon J3 is a unique multifunctional Abralon abrasive for an ultrafine surface finish for both smooth and profiled surfaces. J3 has a higher density foam layer which is only 3 mm thick. Recommended for high gloss applications, leaving a very smooth surface prior to polish. Abralon J3 is suitable for all kinds of material, both smooth and profiled surfaces. Its flexible weave allows water and air to pass freely, suitable for both dry and wet sanding.