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The Chemcast® GP should be clean and dry at
the start of each buffing operation. Some polishing compounds
leave the surface clean after buffing. Where these materials are
not used, washing should follow the last step in polishing. If the part has previously been sanded or is
deeply scratched, an abrasive coated wheel is used first. The
abrasive is a standard polishing compound composed of very fine
alumina or similar abrasive and tallow. When most of the scratches have been reduced on
the first wheel, the Chemcast® GP is buffed on a wheel charged
only with tallow. These first two wheels should be
airventilated rag wheels and should operate at 3000 to 4000
surface feet per minute. The Chemcast® GP is next brought to a high
polish on a soft, loose buff on which no abrasive or tallow is
used. These cleaning buffs should be very loose and should be
made of imitation chamois or cotton flannel. The wheels should be
10" to 12a in diameter and should run at 2000 to 2400
surface feet per minute. A hand applied coat of wax may be used
in place of buffing on the finish wheel if desired. |
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Copyright © Plastiglas de Mexico 1999
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