The abrasive belt LS 312 JF comes with a yellow flexible backing made of JF-cotton, which the product very high levels of flexibility. This material makes it ideal for sanding radii and contours. The abrasive cloth is a superb choice both for sanding lightly or highly profiled workpiece and the grinding of fittings and valves. The abrasive belt is also an excellent choice for grinding fittings made of stainless steel.

The abrasive material used is aluminium oxide with a semi-open coating. The bonding agent is made of fully synthetic resin and is particularly durable. These attributes combined guarantee a workpiece finish of consistent quality.