Tech Talk
What is the optimum “Adhesives” for coated abrasives?
The choice of adhesive is dependent upon the application. If the application is dry, then a straight glue (animal hide) can be used. If a cutting fluid is used, then a liquid phenolic resin is used. A balance has to be struck between the curing times and properties of the adhesives. Depending on the adhesive, some may soak into the backing and cause the belt to become stiff or too lightly coated, so that the abrasive is easily torn or flexed from the backing in operation.
