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Job Description:

  • 1) Builds up layers of fiberglass and resin over plug to form molds for plastic product sections or to be used in casting concrete products, using handtools and portable power tools: Fills cracks, depressions, and holes on plug surface with plastic filler material and sandpapers plug to smooth surface.

  • 2) Applies and buffs wax on plug to obtain glossy surface.

  • 3) Brushes surface of plug with water-soluble parting agent to facilitate removal of mold.

  • 4) Covers plug with fiberglass cloth and trims off excess cloth with shears.

  • 5) Mixes specified proportions of resin and catalyst and brushes mixture on cloth.

  • 6) Works mixture into cloth with hands and squeegee to remove air bubbles and to smooth surface.

  • 7) Examines layer of fiberglass and resin after hardening for rough spots and air bubbles and sandpapers defective areas.

  • 8) Laminates additional layers of fiberglass to initial layer to obtain mold of specified thickness.

  • 9) Removes plug from mold, using wooden tool and airhose.

  • 10) Trims excess fiberglass from edge of mold with knife.

  • 11) Inspects completed mold for surface defects.

  • 12) May bond mold to tubular holding device with resin-saturated fiberglass strips.

  • 13) May repair and modify fiberglass molds, using handtools.




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End Of Job Description for: "MOLD LAMINATOR"
DOT:   806.684-086

Job Number: 6620