645 J-FLEX ECONOMY

• Backing: J-wt flexible polycotton cloth
• Grain: special aluminum oxide (ALOX)
• Bonding: resin over resin
• Coating: semi close

Applications:
• Wood

645 J-flex cloth is suitable for sanding hard wood. The flexible cotton/ pollycotton cloth backing provides excellent durability and adaptability to all curved surfaces. The close coating with the special treated Aluminum Oxide grains performs excellent during sanding of hard wood. J-flex 645 is the low-coast alternative to J-Superflex 640 cloth.