Gaskets are materials used to seal one compartment of a device ...

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Table 5. Substitutes for Asbestos Packings Product Advantages Disadvantages Remarks References Aramid Very strong. Tear resistant. High tensile strength. Unable to handle strongly acidic or basic fluids. 500SF temperature limit. Widely known. Used in the paper industry. ICF 1986a, ICF 1985 Fibrous Glass Withstands temperature to 1000F. Good tensile properties. P~brasive. Market is growing for glass. ICF 1986a, OGJ 1986, Chem. Eng. News 1986 Polybenzimidazole (PBI) Withstands temperature to 1000SF. Poorer wettability premium premium price. Used in high temperature, high pressure applications. ICF 1986a, OGJ 1986 PTFE Low friction. FDA approved to contact food and medical equipnent. Not as resilient as asbestos. Deforms under heavy loads. Temperature resistance to 500F. ICF 1986a, OGJ 1986, Palmetto Packing 1986 Graphite Heat resistant up to 5000F. Chemical resistance. Brittle. Frays. Premium price. Usually with a wire insert. Used in high temperature, applications. Palmetto Packing 1986,
Table 6. Data Inputs for Asbestos Regulatory Cost Model (028) Packing Product Output Product Asbestos Coefficient Consumpt Production ion Ratio Price (S/ton) Useful Life Equivalent Price (S/ton) Market Share References Asbestos Packing 3 tons 0.70 tons/ton 1 60,400 1 year 60,400 N/A ICF 1986a Aramid N/A N/A N/A 135,900 1 year 135,900 30% ICF 1986a Fibrous Glass N/A N/A N/A 120,800 1 year 120,800 30% ICF 1986a, Palmetto Packing 1986 PTFE N/A N/A N/A 211,400 1 year 211,400 15% ICF 1986a, Palmetto Packing 1986 Graphite N/A N/A N/A 120,800 1 year 120,800 10% ICF 1986a, Palmetto Packing 1986 PBI N/A N/A N/A 181,200 1 year 181,200 15% ICF 1986a - N/A: Not Applicable.
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: 6. Other Substitute Fibers Other fi
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 and 44: or talc. The additives ease grindin
Page 45 and 46: Table 2. Manufacturers of Cellulose
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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