- high removal rate,
- reduced clogging and
- significantly extended service life.
It is also available in very fine grit sizes. Moreover, Klingspor also offers this abrasive disc without holes and in a variety of hole patterns. The models with holes are available with the hole patterns GLS 1, GLS 3, GLS 47, and GLS 51.
The PS 73 BWK – a self-fastening paper backing (B-paper) with a semi-open coating of aluminium oxide
The Klingspor abrasive disc PS 73 BWK is self-fastening, making it ideal for use on handheld sanders with hook and loop backing pads. Its backing is composed of a B-weight paper, which is relatively light, yet sufficiently robust. The abrasive grain used is aluminium oxide, which is applied with a semi-open coating. This coating leaves behind enough space to allow for a swift discharge of the debris, keeping the abrasive disc from clogging. Aluminium oxide is hard and tough. Allowing for a high removal rate, this material ensures a sanding result of excellent quality. Just as all other grains Klingspor uses for their abrasives, this grain is the product of a synthetic manufacturing process. This process ensures consistent quality.
The surface – a top size coat composed of synthetic resin and added active agent coating
All abrasives sold under the Klingspor brand are treated with a synthetic resin top size coat. Distinguished by strong bonding force, this coat anchors the grain firmly to the base coat and supports the grain against the lateral forces that act on it. What is more, a top size coat made of synthetic resin is ultra strong. These properties yield the dual advantage of an extended service life and enhanced abrasive performance. The abrasive disc PS 73 BWK is furthermore coated with an active agent. Improving service life even further, this agent lets the user finish a large number of workpieces with this premium abrasive designed for paint, varnish, and filler.
