welcome to eplastics today we're going to show you how to flame polish acrylic while a sanded or saw cut edge can be polished weedy plastics always prepare our edges with a fine milled edge before polishing always deburr frayed paper before polishing one of the ways to polish acrylic with the paper on is to place it on an aluminum sheet and block the top with an aluminum bar at e-plastics we use a hydrogen oxygen mix for flame polishing acrylic in the absence of this ideal setup a map gas torch can work beveled or rounded over edges can be polished the same way in the absence of aluminum you can pull the paper back to flame polish flame polishing introduces a higher level of stress to this material gluing or wiping these edges with chemicals can lead to crazing you can see here how a flame polished edge crazes once you apply glue thanks for watching you