Flame polishing

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Flame polishing is a method of polishing a material, usually thermoplastics or glass by exposing it to a flame or heat. By melting the surface of the material, surface tension smooths the surface out. Operator skill is critical with this method. When done properly, flame plastic polishing produces the clearest finish, especially when polishing acrylic. This method is most applicable to flat external surfaces.

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v • d • e Glass forming techniques Commercial techniques Float glass process · Blowing and pressing (containers) · Extrusion / Drawing (fibers, glasswool) · Drawing (optical fibers) · Overflow downdraw method · Pressing · Casting · Cutting · Flame polishing · Diamond turning · Rolling Artistic and historic techniques Beadmaking · Blowing · Blown plate · Broad sheet · Caneworking · Crown glass · Cylinder blown sheet · Etching · Fourcault process · Fusing · Lampworking · Machine drawn cylinder sheet · Millefiori · Polished plate · Slumping · Stained glass fusing · Stained glass production In addition, glass can be formed by other techniques that are common for ceramics or metals, including polishing, sintering, sawing, grinding, drilling, cutting, and bending. For application to glass these techniques may need to be adjusted.