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Flame
polishing is ideal for polishing thin edges of
acrylic, especially clear extruded sheet for
point-of-sale items because it is fast and
effective. A good routered or scraped edge is
essential for flame polishing.
The technique requires
practice to achieve the desired level of skill. Only
the slightest impingement of the hottest part of the
flame is required as the operator rapidly passes the
flame across the work. Annealing of the workpiece
will be necessary if the flame polished edges are to
be cemented or decorated as flame polishing induces
stresses into the acrylic.
Flame polishing can be difficult on certain heavily
pigmented colours resulting in a matt finish or
discolouration, buffing or diamond polishing is
advised for colours where possible, however diamond
polishing will only polish a straight edge and buff
polishing is more labour intensive.
Atlas frequently polish the edges of point of sale
products using this method and have 2 flame
polishers capable of supporting 4 users.
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