Downtime. What are you doing about it? - C&EN Global Enterprise

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Downtime. What are you doing about it? Your surest answer is to turn to Pfaudler first. Especially for something as critical as the reactor. Because we spend $1 million a year on R & D. To come up with safe answers like Glasteel™ 3300. To give you the precise data to go with it. So there's no guesswork. So the reactor stays on. So you don't get stuck. With idle plant. With spoiled product. With missed markets. These are the problems we've solved. To keep you on stream in '69.

Problem· What's the optimum combination of chemical, mechanical and thermal properties from the 12 variable components of silicate glass?

Solution· Take two IBM 360's and a top research team from Pfaudler and State University of New York College of Ceramics. Devise a basic mathematical model for use in conjunction with linear programming. Feed in data from Pfaudler's 80-plus years' operating experience,

experimental formulations and subsequent tests. Take as the four key parameters: 1. acid corrosion resistance 2. alkali corrosion resistance 3. fusion viscosity 4. thermal expansion. Result—Glasteel 3300, the most versatile, corrosion-resistant material of construction on the market. Check coupon for full details

Problem· What's the exact acid corrosion rate of Glasteel 3 3 0 0 as affected by temperature and concentration?

Solution. Run over 500 tests continuously for 48 hours each. Use glass apparatus to collect quantitative data on condensing vapors of aqueous solutions at atmospheric boiling points. Use larger heavy-wall metal cylinders for testing above the boiling points. Result—totally reliable projections for continuous service, 24 hours a day, 7 days a week, through 5 years. Check coupon for full details

Pfaudler can supply you with the liquid phase corrosion rates of five acids on Glasteel 3300. Test samples are available for your own tests. WATER 'M50

SULFURIC ACID

ψ..

200 KEY

60

80

93 100*/· concentration

o r s • < Ί year .— boiling point curve

With four times the abrasion resistance. With twice the impact strength. And comparable re­ sistance to corrosion.

Problem. How to improve the service life of a Glasteel 3300 reac­ tor in areas of abrasion and impact?

Result— Nucerite ceramic is applied to the noz­ zle and flange faces, agitator and baffle of all standard Glasteel 3300 reactors. Our manhole protection ring is also supplied in double-tough Nucerite. Check coupon for full details

Solution· To the exceptional corrosion resistance ofGlasteel3300 weaddNucerite®— an exclusive ceramic-metal composite. U. S. patent number 3368712. à Mr. Thomas ). Goodwin, Product Manager The Pfaudler Co. Dept. CEN-29 Rochester, New York 14603

D Please send me acid corrosion rates, thermal shock data, heat transfer coefficients and recommended applications of Glasteel

D Please send me the latest technical data on Nucerite Name Title

APFflUDŒR ^ ^ ^

SYBRON CORPORATION

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