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Abrasives 1986; Custom Fibers International 1986). Custom Fibers suggest a starting formulation for an asbestos-free roof coating includes the following: Asphalt cutback Surfactant Attapulgite clay Talc or calcium carbonate CF Fibers 32500 (R) The CF-32500 (R) cellulose fiber, at increased concentration, can also be used for asbestos replacement in an asphalt plastic roof cement in the following formulation: (Custom Fibers California 1986). Asphalt cutback Surfactant Bentonite clay Talc CF Fibers 32500 More than 16 companies currently produce cellulose containing roof coatings and cements. Table 2 identifies additional manufacturers of cellulose containing roofing compounds (ICF 1986). Gardner Asphalt produces asbestos free products that contain a proprietary formulation of cellulose fibers and inorganic thickeners. According to company officials, the formulation costs more to produce and yields an inferior product. However, they do indicate that consumers could switch completely to the substitute formulation if the asbestos product was made unavailable (Gardner Asphalt 1986). Gibson-Honians Corporation of Twinsburg, Ohio, substituted for asbestos in both their aluminum and standard black roofing products with a mixture of cellulose fibers, kaolin clays, crushed limestone, sodium silicates and water in April, 1986. Initially losing some of their sales due to adhesion, -7-
Table 2. Manufacturers of Cellulose Fibered Roof Coatings and Cements Manufacturer Location American Lubricants Company American Tar Company Asphalt Products Oil Corporation Elixir Industries Gardner Asphalt The Garland Company Gibson-Homans Corporation Grundy Industries Kool Seal Incorporated Midwest/Gulf States Incorporated National Varnish Company Parr Incorporated Russel Standard Corporation Southwestern Petroleum Corporation S.W. Petro-Chem Incorporated Tremco Incorporated Dayton, Ohio Seattle, Washington Long Beach, California Elkhart, Indiana Tampa, Florida Cleveland, Ohio Twinsburg, Ohio Joliet, Illinois Twinsburg, Ohio Chicago, Illinois Detroit, Michigan Cleveland, Ohio Atlanta, Georgia Fort Worth, Texas Olathe, Kansas Cleveland, Ohio Source: ICF 1986 -8-
Page 1 and 2: XXVII. SHEET GASKETS A. Product Des
Page 3 and 4: Table 1. Fluid and Pressure Ranges
Page 5 and 6: $20.5 million in 1985, based on an
Page 7 and 8: Table 3. Substitutes for Asbestos S
Page 9 and 10: Aramid gaskets are usually composed
Page 11 and 12: esistance. A wire insert is often a
Page 13 and 14: 6. Ceramic Fiber Mixtures Ceramic f
Page 15 and 16: REFERENCES Carborundum. 1986. Produ
Page 17 and 18: Bulk Square braád Rolled (over cor
Page 19 and 20: Table 1. Standards of Asbestos Yarn
Page 21 and 22: A. ‘I’ A. ‘-I PRESSURE ~ Movi
Page 23 and 24: Table 2. Operating Conditions and U
Page 25 and 26: Table 3. Production of Asbestos Pac
Page 27 and 28: een forced to replace the asbestos
Page 29 and 30: Table 4. Estimated Market Share for
Page 31 and 32: useful temperature limit of approxi
Page 33 and 34: 6. Other Substitute Fibers Other fi
Page 35 and 36: Table 6. Data Inputs for Asbestos R
Page 37 and 38: TSCA Section 8(a) submission. 1982.
Page 39 and 40: a viscosity control for waterproofi
Page 41 and 42: Table 1. Production of Asbestos Roo
Page 43: or talc. The additives ease grindin
Page 47 and 48: Cellulose bodied roof coatings and
Page 49 and 50: equivalent basis, they are favored
Page 51 and 52: compounds. These formulations have,
Page 53 and 54: . Other Roof Coatings and Cements O
Page 55 and 56: Table 4. Data Inputs for Asbestos R
Page 57 and 58: ATTACHMENT B PROJECTED PRICES ANALY
Page 59: ICF Incorporated. 1986 (July-Decemb

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