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Job Description:

  • 1) Tests fiberglass products, such as bonded cord, insulation mats, roving, and staple lengths to determine if products conform to specifications: Determines breaking strength of bonded cord by mounting sample on arms of testing machine and moving machine controls that apply force necessary to rupture sample.

  • 2) Weighs insulation mat, bonded cord, or roving on balance scales before and after drying and computes percentage of moisture, wax binder, and solids in sample, using slide rule.

  • 3) Observes machines in operation to detect worn equipment, irregular roving packages, or dull cutters.

  • 4) Examines products for defects, such as dirt, frayed ends, clumps in mats, discolorations, and variation in number of ends.

  • 5) Measures staple lengths to verify conformance to standards, using ruler.

  • 6) Tests speed of machine spindles, using tachometer.

  • 7) Records tests results on quality control records and notifies production supervisors, machine repairer, and workers when machine operation, material, or products vary from standards.

  • 8) May perform physical tests to determine yarn porosity, diameter, or denier.




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End Of Job Description for: "PRODUCT TESTER, FIBERGLASS"
DOT:   589.384-010

Job Number: 7938