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Author: Margaret A. Baker
Publisher:
ISBN:
Category : Enamel and enameling
Languages : en
Pages : 24
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Book Description
Author: Margaret A. Baker
Publisher:
ISBN:
Category : Enamel and enameling
Languages : en
Pages : 24
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Book Description
Author: Margaret Ann Rushmer
Publisher:
ISBN:
Category : Enamel and enameling
Languages : en
Pages : 22
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Book Description
An exposure test of procelain enamels at seven representative sites in the continental United States was initiated by the National Bureau of Standards and the Porcelain Enamel Institute in 1956. After seven years all specimens were returned to the Bureau and the changes in gloss and color determined. These changes were found to be different al all exposure sites except Pittsburgh and New Orleans. The most severe changes occurred for specimens exposed at Kure Beach, 80 fee from the ocean, while the least change occurred for specimens exposed at Los Angeles. The differences in behavior of the specimens correlated with both the relative humidity and the pH of the suspended particulate matter at the different sites. A direct relation existed between the acid resistance of the enamels and weather resistance. However, enamels of different types, such as enamels on aluminum and steel, having the same acid resistance did not necessarily show the same weather resistance. Comparison with enamel specimens exposed for seven years in an earlier test showed that porcelain enamels produced after the end of World War II were equally resistant to changes in gloss at the Washington, D. C., site as those produced before the war. As a group, the regular glossy acid-resistant enamels on steel showed the best weather resistance of the various types tested. No corrosion of the base metal was noted for any specimen on which the initial coverage was complete. (Author).
Author: Porcelain Enamel Institute
Publisher:
ISBN:
Category : Enamel and enameling
Languages : en
Pages : 2
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Author: Dwight Garrison Moore
Publisher:
ISBN:
Category : Enamel and enameling
Languages : en
Pages : 28
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Author: Margaret A. Rushmer
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 13
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Author: M. A. Baker
Publisher:
ISBN:
Category : Enamel and enameling
Languages : en
Pages : 24
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Book Description
Author: Margaret A. Baker
Publisher:
ISBN:
Category : Enamel and enameling
Languages : en
Pages : 20
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Book Description
The weather resistance of 192 porcelain enameled panels representing 14 enamel types was evaluated after being exposed for 30 years at Washington, D.C.A direct correlation was found between the acid resistance and weather resistance of the enamels tested.The porcelain enamel protected the base metal from corrosion if the initial coverage was complete.Similar evaluations and findings were made on 58 panels representing 13 enamel types that were added to this test in 1947.(Author).
Author: Dwight G. Moore
Publisher:
ISBN:
Category : Ceramics
Languages : en
Pages : 9
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Book Description
A study of the weather resistance of porcelain enamels has been under way at the National Bureau of Standards since 1939. A total of 768 1-ft-square panels are being exposed at four locations selected to represent temperate residential, temperate industrial, temperate salt-air, and semitropical residential. The results so far obtained show that most enamels are highly resistant to deterioration under the conditions existing at selected locations and, further, that those enamels that are not resistant can be eliminated prior to installation by simple laboratory tests. The results obtained from an inspection made after 7 years of exposure are given in the present paper.
Author: Dwight G. Moore
Publisher:
ISBN:
Category : Enamel and enameling
Languages : en
Pages : 20
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Book Description
