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MATERIALS that the product, called Careytemp, meets the same temperature demands as the asbestos product. The tough new controls issued by the \ he hunt for U. S. Occupational Safety & Health Administration are a fresh spur to sup substitutes pliers to come up with substitute insu lating products. They do not ban as for asbestos bestos insulation, but they impose a limit of fivetasbestos fibers per cubic centimeter in the air that workers breathe. Their requirement that the air A flurry of new products follows condemnation quality be monitored when asbestos is used may alone be enough to prompt many contractors to switch. of asbestos as a hazard In the courts.- Pressure for change started to build up well before the OSHA stepped in. Backed by research find Increasing concern over the health haz ings that exposure to asbestos dust can ards associated with asbestos is shak lead to lung disorders, insulation work ing up the makers of high-temperature ers have been pressing compensation insulation, a ubiquitous product that claims in court against contractors and, covers pipes and boilers in power more recently, against manufacturers. plants, refineries, and other process fa "I expect to see a lot more of these cilities. suits soon," says Andrew T. Haas, pres The basic formula of the most com ident of the 18,000-membor Inter mon type of asbestos insulation has not national Assn, of Heat & Frost Insula changed in more than 20 years. It con tors & Asbestos Workers. sists of calcium silicate, which is made The standard calcium silicate panels by chemically combining diatomaceous contain about 10% asbestos. And be earth and lime, with asbestos added as cause the panels are solid they do not a reinforcing binder. But now the gov produce the obvious environmental ernment has tightened its regulations hazard of the loose asbestos fibers that exposure to asbestos dust, and the until recently were widely used to fire a rkers who install insulation have proof new buildings. But the dust gen nreatened industry with lawsuits. As erated in cutting and handling the a result, the $30-million-a-year indus panels during installation or removal try is in a flurry of new-product devel carries ejjough asbestos to be hazard opment: ous if it is not scrupulously controlled. Fibrchoard Corp. of San Francisco "There is no practical way to elimi switched last fall to an asbestosrfree nate the dust problem completely," calcium silicate. The company declines says L. Perry Holmes, president of to disclose its new reinforcement, but Plant Asbestos Co., a California insula says that it is a combination of a natu tion contractor. "We have eliminated ral and a manufactured fiber. Accept asbestos products, and we are working ance has been so good that Fibreboard on a name change for our company." now plans to double capacity--the first Non-asbestos products are making major expansion that the calcium sili cate industry has seen in years. A section for Fibreboard's new covering for Johns-Manville Corp. and Owens- a large-diameter pipe comes from the mold. Corning Fiberglas Corp. are pushing research efforts to eliminate asbestos from their insulation products. J-M says that it has already reduced the as bestos content of one product from 12% to 7% in the last two years. Owens- Corning, which broadened its line of insulation materials in 1958 to include calcium silicate, has conducted plant trials of a product that uses glass fibers in place of asbestos. "We plan to introduce this product as quickly as possible," a spokesman says. Philip Carey Co. of Cincinnati, a di- ( I ion of I'anacon Corp., which was ac- ,uired last spring by Jim Waiter Corp., has had a non-asbestos product on the market since 1970. It uses perlite, a vol canic glass that expands when heated to form a lightweight aggregate of tiny spheres, and the perlite is rein forced with glass fibers. Carey claims Forgot costly contractors with their hazardous hot tar kottles, mops and gravol. Let us show you tho modorn, safe, monoy-saving Randustrialw Roof Spray System. Three of your own plant laborers can expertly restore up to 35,000 sq. ft. in one day. Simply patch damaged spots with glass fabric, thon spray coat the entire roof. The technical know-how is engineered into tho Roof Spray Equipment. A plastic waterproof sealant Is sprayed from drums on tho ground to a uniform thickness on the roof. No heating, no buckets, no mopping. One application rosaturatos old weather-worn felts and provides a tough, flexible top coating which re sists the elements for years. A Raiidustrial* Roofing Engineer pro vides rn-the-job instructions for use of the equipment and follows the prog ress of your job. You are assured of quality results with the Randustrial Roof Spray System. Request a free con sultation with a Randustrial*' Roofing Engineer and an opportunity to view our 3-minute Color Movie, "Spray Proc ess Saves Old Roofs." 3 Please send 48-page Randustrial* Roofing and Maintenance Catalog. Q Please call lor an appointment to show us your 3-mlnute Color Roofing Movie, 'Spray Process Saves Old Rnnfg. * NAME Il TITLE I COMPANY, I ADDRESS_ I CITY_____ STATE _2IP_ jr-j? Randustrial. Corporation | formerly Ranco Industrial Products Corporation t 13311-BW Union Ave./Cleveland, Ohio 44120 | (216) 203-0300J j1 1 I i *; f KG-0068 i -i Uti ` L;'IL . ' J chemical giant is "scrambling" to dis cover substitutes for asbestos insula tion in its plants. Robert Murfin, presi dent of B&B Insulation, Inc., in Houston, estimates that Fibreboard and Philip Carey have increased their penetration of the big Gulf Coast pet rochemical-plant market by about 7% in the last year. In another year, he predicts, non-asbestos products will ae- `We looked at materials costing $30 a pound, and they just didn't work' count for 70% of the market, up from 35% today. Problems. For makers of insulation products, the problem has been to find a fiber that can do everything asbestos docs and do it at a reasonable price. Fibreboard Corp. tested scores of fibers, including redwood bark, before settling on its proprietary composition. "Asbestos runs about 8C a lb.," says Richard F. Gamble, manager of the company's industrial insulations plant. "Wc looked at materials costing $30 a lb., and they just didn't work." Besides being noncombustible, as bestos fibers are jagged enough to hold the calcium silicate mixture tightly to gether, and they are resistant to the highly alkaline chemical reaction that is used in making the material. This re action, which is not a problem with the perlite used by Carey, tends to chew up glass fibers. "We tried fiber glass with all sorts of coatings," says Gamble, "and it just melted away." However, a spokesman for Owens-Coming, which is counting on use of glass fiber, claims that the company recently solved a similar problem by developing an al-. kali-resistant fiber for reinforcing ce ment. The new products of Fibreboard and Carey do not in all cases perform as well as the old ones. Vincent Lockary, subcontract supervisor for Bechtel Corp., the big engineering outfit, says that Fibreboard's product is "adequate but not as good as asbestos." And Carey's product manager, Charles Ho- shaw, concedes that his new perlite product "has advantages and disadvan tages." Yet both suppliers claim to have more orders than they can handle. "We have made more enemies than friends because we can't deliver," Hoshaw says. Fibreboard is spending $5-million on a new plant in Louisiana that Gamble says will give him enough ca pacity to displace Johns-Manvillc as the industry's top producer. "I have no doubt that we can sell everything we produce," Gamble declares. "Our indus try has always been very slow to change. But now it has to." MATERIALS II OIL SPILLS If oil spills pose a problem in your business, let Uniroyal help. Our Sealdboom keeps spills in check by containing oil spills in ports, harbors and rivers. Refinery and terminal managers, power plant and fleet operators have tens of thousands of feet * of SEALDBOOM in the water or in readiness for immediate deployment. They rely on SEALDBOOM because they know it will not fail during an emergency. SEALDBOOM by Uniroyal is the only fully-vulcanized oil boom on the market. 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