Job Description:

• 1) Tests mat of fiberglass insulation material to determine if product conforms to specifications: Cuts sample of mat, using knife or razor blade and template, and weighs mat on balance scale.

• 2) Burns weighed sample in miniature oven to remove binder, weighs burned sample, and computes percentage of binder in sample, using slide rule.

• 3) Suspends sample of mat in styrene solution and times disintegration of sample to determine solubility of binder.

• 4) Places sample between plates of thickness gauge and reads dial indicator before and after application of pressure to gauge to determine thickness with or without stress.

• 5) Records test results on mat-testing record.