Results of experiments on a lightweight fabric consisting of 80% wool and 20% polyester (or 20% Nomex) indicate that when the wool portion is treated—for example, with potassium fluorozirconate—the amount of flame-resistant, synthetic fiber can be reduced, yielding a product of appropriate fabric strength, while still meeting the U. S. Federal Aviation Administration requirements. '
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References
1.
Benisek, L., NewAspects of Flame Protection using Wool-Versatile, Simple, Inexpensive, Int. Dyer Textile Printer147, 414-419 (1972).
2.
Carroll-Porczynski, C.Z., Performance of Non-Flammable Fibres in Composite Fabrics, 2nd Shirley International Seminar, Manchester, England, Sept.-Oct., 1970.
3.
FederalTest Method Standard No. 191, Textile Test Method 5903, "Flame Resistance of Cloth: Vertical," U. S. General Services Administration, December 31, 1968.
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Tesoro, G.C. and Rivlin, J., Flammability Behavior of Experimental Blends , Textile Chem. Color.3, 156-160 (1971).
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U. S. Federal Register37 (37), Part III. Thursday, February 24, 1972 , pp. 3971-72. "Department of Transportation: Federal Aviation Administration. Transport Category Airplanes—Crashworthiness and Passenger Evacuation Standards ."
