31:
84:
High-grade fire clays can withstand temperatures of 1,775 °C (3,227 °F), but to be referred to as a "fire clay" the material must withstand a minimum temperature of 1,515 °C (2,759 °F). Fire clays range from
234:. Chemical analyses from two 19th-century sources, shown in table below, are somewhat lower in alumina although a more contemporary source quotes analyses that are closer.
480:"Calciners and Dryers in Mineral Industries" (Background Information for Proposed Standards). U.S. Environmental Protection Agency. 1985. pp. 3–48. EPA-450/3-85-025a.
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572:
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defines fire clay very generally as a "mineral aggregate composed of hydrous silicates of aluminium (Al
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means that it can be used to make complex items of pottery such as pipes and sanitary ware.
120:
30:
587:
500:
212:
208:
193:
182:
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592:
566:
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higher than 1,600 °C (2,910 °F); therefore it is suitable for lining
87:
53:
42:
457:
155:
108:
143:
17:
124:
49:
453:
151:
147:
116:
449:
29:
554:
Ceramic and glass materials: structure, properties and processing
461:
159:
112:
45:
536:
King's
Treatise on the Manufacture and Distribution of Coal Gas
138:, as fire brick, and for manufacture of utensils used in the
452:-making clay, some fire clays (especially flint clays) are
170:
The chemical composition typical for fire clays are 23-34%
130:
Fire clay is resistant to high temperatures, having
103:fire clays as well. Fire clays consist of natural
27:Refractory clays used in ceramics manufacturing
547:
545:
58:United States Environmental Protection Agency
8:
518:A Dictionary of Applied Chemistry Volume I
511:
509:
436:
236:
529:
527:
520:. Longmans Green & Company, London.
472:
494:Minerals Zone, World Mineral Exchange.
158:. Its stability during firing in the
111:group clays, along with fine-grained
7:
489:
487:
516:Thorpe, Sir Thomas Edward (1890).
25:
192:together with various amounts of
76:O) with or without free silica."
460:, the underclay associated with
552:Shackelford, James F. (2008).
1:
48:used in the manufacture of
609:
534:King, William B. (1878).
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244:
242:
556:. Springer. p. 121.
238:Fire clay compositions
119:, and may also contain
437:not given in the text
35:
34:Fire clay in a furnace
456:at depth, found as a
33:
583:Refractory materials
503:Retrieved 2011-6-23.
448:Unlike conventional
166:Chemical composition
142:industries, such as
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499:2011-07-14 at the
262:Eisenberg II
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107:materials, mostly
93:plastic fire clays
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573:Ceramic materials
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271:Newcastle 3
268:Newcastle 2
265:Newcastle 1
259:Eisenberg I
16:(Redirected from
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395:Iron Oxides (%)
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105:argillaceous
101:semi-plastic
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127:compounds.
123:matter and
88:flint clays
567:Categories
468:References
464:measures.
444:Extraction
188:and 6-27%
97:semi-flint
80:Properties
54:fire brick
43:refractory
578:Silicates
458:seatearth
181:, 50-60%
156:glassware
144:crucibles
109:kaolinite
39:Fire clay
497:Archived
343:MgO (%)
136:furnaces
50:ceramics
18:Fireclay
538:. self.
369:CaO(%)
245:Thorpe
152:retorts
148:saggars
125:sulphur
121:organic
588:Bricks
425:O (%)
286:65.10
117:quartz
56:. The
454:mined
450:brick
434:2.40
431:0.61
428:0.18
416:2.40
413:4.06
410:9.13
407:4.63
404:0.40
401:0.09
398:0.18
390:0.08
387:1.66
384:1.34
381:1.46
378:0.37
375:0.20
372:0.14
364:1.00
361:1.91
358:0.71
355:1.54
352:0.40
349:0.09
346:0.18
338:23.1
335:30.2
332:29.5
329:31.4
326:24.0
323:5.40
320:22.2
304:58.1
301:48.6
298:47.6
295:51.1
292:64.7
289:89.8
248:King
113:micas
68:·2SiO
46:clays
593:Clay
462:coal
317:(%)
283:(%)
274:N/A
227:and
160:kiln
154:and
115:and
99:and
279:SiO
229:TiO
209:MgO
205:CaO
183:SiO
91:to
72:·2H
569::
544:^
526:^
508:^
486:^
309:Al
221:Na
219:,
211:,
207:,
203:,
194:Fe
172:Al
150:,
146:,
423:2
421:K
315:3
313:O
311:2
281:2
231:2
225:O
223:2
217:O
215:2
213:K
200:3
198:O
196:2
185:2
178:3
176:O
174:2
74:2
70:2
66:3
64:O
62:2
20:)
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