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27:
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Anaerobic acrylic sealants (generally referred to as impregnants) are the most desirable, as they are required to cure in the absence of air, unlike surface sealants that require air as part of the cure mechanism that changes state to become solid, once applied, and is used to prevent the penetration
172:
A caulking sealant has three basic functions: It fills a gap between two or more substrates; it forms a barrier due to the physical properties of the sealant itself and by adhesion to the substrate; and it maintains sealing properties for the expected lifetime, service conditions, and environments.
168:
processes by keeping moisture out (or in) the components in which they are used. They can provide thermal and acoustical insulation, and may serve as fire barriers. They may have electrical properties, as well. Sealants can also be used for simple smoothing or filling. They are often called upon to
520:
and sealants is that sealants typically have lower strength and higher elongation than adhesives do. When sealants are used between substrates having different thermal coefficients of expansion or differing elongation under stress, they need to have adequate flexibility and elongation. Sealants
495:
Firewall
Sealants – a two-component, firewall sealant intended for use as a coating, sealant or filleting material in the construction, repair and maintenance of aircraft and is especially useful where fire resistance, exposure to phosphate ester fluids, and/or exposure to extreme temperatures,
183:
can perhaps be used as alternatives in certain instances, depending on the substrates and the relative movement that the substrates will see in service. However, the simplicity and reliability offered by organic elastomers usually make them the clear choice for performing these functions.
525:
to give the required flexibility and elongation. They usually have a paste consistency to allow filling of gaps between substrates. Low shrinkage after application is often required. Sealants also typically require a sufficient compression set, especially when the sealant is a foam
503:
Access Door
Sealants – Access door sealant intended for use on integral fuel tanks and pressurized cabins with low adhesion characteristics and excellent resistance to other fluids such as water, alcohols, synthetic oils and petroleum based hydraulic
173:
The sealant performs these functions by way of correct formulation to achieve specific application and performance properties. Other than adhesives, however, there are few functional alternatives to the sealing process.
76:(especially if acrylic latex or polyurethane based) and also serve the purposes of blocking dust, sound and heat transmission. Sealants may be weak or strong, flexible or rigid, permanent or temporary. Sealants are not
499:
Fuel Tank
Sealants – High-temperature fuel resistant sealant intended for use on integral fuel tanks with excellent resistance to other fluids such as water, alcohols, synthetic oils and petroleum-based hydraulic
235:
Sealants can be categorized in accordance with varying criteria, e. g. in accordance with the reactivity of the product in the ready-to-use condition or on the basis of its mechanical behavior after installation.
192:
A sealant may be viscous material that has little or no flow characteristics and which stay where they are applied; or they can be thin and runny so as to allow it to penetrate the substrate by means of
875:
844:
254:
at one end, and extremely low-strength putties, waxes, and caulks at the other. Putties and caulks serve only one function – i.e., to take up space and fill voids. Sealants may be based on
507:
Windshield
Sealant – demonstrated to be a useful sealant in a variety of applications where quick setting is desired, for example, windshield sealants, repair caulks, adhesives, etc.
907:
568:
730:
239:
Often the intended use or the chemical basis is used to classify sealants, too. A typical classification system for most commonly used sealants is shown below.
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Sealants, despite not having great strength, convey a number of properties. They seal top structures to the substrate, and are particularly effective in
1080:
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801:
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polymers and silicone polymers were first developed and used in sealants. By the 1960s, synthetic-polymer-based sealants were widely available.
1005:
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96:
Sealants were first used in prehistory in the broadest sense as mud, grass and reeds to seal dwellings from the weather such as the daub in
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821:
Manfred Pröbster, Industrial
Sealants - Fundamentals, selection and applications, Verlag Moderne Industrie 2004
204:
Typically, sealants are used to close small openings that are difficult to shut with other materials, such as
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1107:
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of air, gas, noise, dust, fire, smoke, or liquid from one location through a barrier into another.
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220:. Uses of sealants vary widely and sealants are used in many industries, for example,
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931:
World of fresh water : a resource for studying issues of freshwater research
561:"How to Choose the Right Caulk or Sealant for Your Next Plumbing Project | Oatey"
383:
250:
Types of sealants fall between the higher-strength, adhesive-derived sealers and
149:
140:
was first used to seal window glass made with linseed oil and chalk, later other
97:
41:
496:−65 °F (−54 °C) to 400 °F (204 °C) are major considerations.
283:
1027:"WS-8020 Class B Sealant - High Temperature Fuel Tank Sealant | NSL Aerospace"
1101:
1052:"WS-8010 Class B Sealants - Aircraft Access Door Sealant PMF | NSL Aerospace"
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generally contain inert filler material and are usually formulated with an
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898:"Russian Cosmonauts Take Spacewalk to Check Site of Capsule Leak"
405:
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113:
530:. Many adhesive technologies can be formulated into sealants.
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37:
550:
Second
Edition on CD-ROM (v. 4.0) Oxford University Press 2009
212:, etc. Desirable properties of sealants include insolubility,
16:
Substance used to block the passage of fluids through openings
837:"5 Sealing Technologies Commonly Used by Manufacturers Today"
320:
153:
137:
105:
72:
59:
133:
1077:"Dapco 72 Rapid Curing Windshield Sealant | NSL Aerospace"
1002:"D Aircraft Dapco 18-4F Firewall Sealant | NSL Aerospace"
326:
121:
117:
972:"Best Outdoor Wood Sealers Comparison and Buyer's Guide"
723:"Best practices for masonry wall systems and insulation"
144:
were also used to make oil-based putties. In the 1920s,
104:. Natural sealants and adhesive-sealants included plant
246:
Classification of sealants by reactivity and chemistry
790:(2d ed.). William Andrew. 2008. p. 145.
1099:
80:but some have adhesive qualities and are called
788:Handbook of Plastics Joining: A Practical Guide
677:Klosowski, Jerome M.; Wolf, Anreas T. (2009).
633:Klosowski, Jerome M.; Wolf, Anreas T. (2009).
589:Klosowski, Jerome M.; Wolf, Anreas T. (2009).
868:"Early Season Best Practices for Sealcoating"
676:
632:
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136:, blood and egg. In the 17th century glazing
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169:perform several of these functions at once.
58:is a substance used to block the passage of
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721:Slone, Herbert; Fox, Art (March 12, 2018).
62:through openings in materials, a type of
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241:
25:
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1100:
417:
934:. Diane Publishing. 1997. p. 9.
681:. In Mittal, K.L.; Pizzi, A. (eds.).
637:. In Mittal, K.L.; Pizzi, A. (eds.).
593:. In Mittal, K.L.; Pizzi, A. (eds.).
489:
982:from the original on April 11, 2021
910:from the original on April 11, 2021
878:from the original on April 11, 2021
847:from the original on April 11, 2021
764:from the original on April 11, 2021
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733:from the original on April 11, 2021
13:
970:Jenkins, Richard (April 8, 2021).
866:Roberts, Dormie (March 18, 2021).
14:
1124:
261:Other common types of sealants:
1083:from the original on 2020-07-25
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1058:from the original on 2020-08-12
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1033:from the original on 2020-07-25
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1008:from the original on 2020-09-15
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948:from the original on 2021-04-11
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804:from the original on 2021-04-11
699:from the original on 2021-04-11
655:from the original on 2021-04-11
611:from the original on 2021-04-11
571:from the original on 2023-03-25
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683:Handbook of Sealant Technology
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639:Handbook of Sealant Technology
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595:Handbook of Sealant Technology
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553:
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46:two-hour fire-resistance rated
1:
841:roboticsandautomationnews.com
533:
70:is sometimes synonymous with
516:The main difference between
7:
754:"Building Soundproof Walls"
159:
66:. In building construction
10:
1129:
91:
18:
548:Oxford English Dictionary
512:Comparison with adhesives
44:through-penetration in a
685:. CRC Press. p. 7.
679:"The History of Selants"
641:. CRC Press. p. 5.
635:"The History of Selants"
597:. CRC Press. p. 4.
591:"The History of Selants"
187:
19:Not to be confused with
872:forconstructionpros.com
108:such as pine pitch and
760:(266 April/May 2017).
727:constructioncanada.net
247:
52:
906:. December 11, 2018.
331:Impregnating sealants
245:
128:, clay (mud) mortar,
29:
424:Automotive industry
418:Common areas of use
291:Electronic sealants
86:structural sealants
1108:Seals (mechanical)
784:"Adhesive Bonding"
758:Fine Home Building
490:Aerospace sealants
436:Aerospace industry
248:
53:
797:978-0-8155-1581-4
463:Hydraulic systems
399:Urethane sealants
300:Extruded sealants
277:Adhesive sealants
274:Acoustic sealants
82:adhesive-sealants
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393:Surgical sealant
379:Silicone sealant
350:Plastic sealants
311:barrier sealants
288:Elastic sealants
216:resistance, and
195:capillary action
150:acrylic polymers
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466:Marine industry
448:Cement/Concrete
420:
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384:Spackling paste
365:Rubber sealants
284:Dental sealants
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98:wattle and daub
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64:mechanical seal
51:floor assembly.
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334:Latex sealants
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30:Self-leveling
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374:Seam sealants
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271:Acrylic latex
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166:waterproofing
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1085:. Retrieved
1071:
1060:. Retrieved
1046:
1035:. Retrieved
1021:
1010:. Retrieved
996:
984:. Retrieved
975:
965:
957:Google Books
955:– via
950:. Retrieved
930:
924:
912:. Retrieved
901:
892:
880:. Retrieved
871:
861:
849:. Retrieved
840:
817:
806:. Retrieved
787:
778:
766:. Retrieved
757:
747:
735:. Retrieved
726:
716:
708:Google Books
706:– via
701:. Retrieved
682:
672:
664:Google Books
662:– via
657:. Retrieved
638:
628:
620:Google Books
618:– via
613:. Retrieved
594:
584:
573:. Retrieved
564:
555:
547:
542:
515:
460:HVAC systems
433:Pipe threads
396:Tile sealant
389:Stone sealer
360:Polyurethane
280:Butyl rubber
260:
249:
238:
234:
232:industries.
222:construction
203:
199:
191:
175:
171:
163:
95:
85:
81:
71:
67:
55:
54:
40:used around
546:"Sealant",
354:Polysulfide
304:Fibrin glue
142:drying oils
130:lime mortar
126:natural gum
110:birch pitch
1102:Categories
1087:2020-03-13
1062:2020-03-13
1037:2020-03-13
1012:2020-03-13
952:2021-04-11
808:2021-04-11
703:2021-04-11
659:2021-04-11
615:2021-04-11
575:2023-03-25
534:References
475:Reservoirs
402:Valve seal
296:thermosets
226:automotive
1113:Materials
986:April 11,
914:April 11,
882:April 11,
851:April 11,
768:April 11,
737:April 11,
523:elastomer
518:adhesives
472:Radiators
442:Aquariums
230:aerospace
214:corrosion
177:Soldering
102:thatching
78:adhesives
1081:Archived
1056:Archived
1031:Archived
1006:Archived
980:Archived
946:Archived
908:Archived
876:Archived
845:Archived
802:Archived
762:Archived
731:Archived
697:Archived
653:Archived
609:Archived
569:Archived
439:Aircraft
369:Sealcoat
362:sealants
356:sealants
309:Firestop
256:silicone
252:coatings
218:adhesion
206:concrete
160:Function
148:such as
146:polymers
49:concrete
35:firestop
32:silicone
504:fluids.
454:Gaskets
451:Engines
445:Casting
430:Asphalt
406:Varnish
210:drywall
181:welding
114:bitumen
92:History
68:sealant
56:Sealant
21:Sealand
938:
794:
689:
645:
601:
528:gasket
500:fluids
294:Epoxy
106:resins
60:fluids
38:system
481:Tires
478:Roofs
457:Glass
321:Grout
188:Types
154:butyl
138:putty
73:caulk
988:2021
936:ISBN
916:2021
884:2021
853:2021
792:ISBN
770:2021
739:2021
687:ISBN
643:ISBN
599:ISBN
484:Wood
325:Hot
317:Foam
228:and
134:lead
100:and
42:pipe
411:WKT
327:wax
179:or
122:tar
118:wax
84:or
1104::
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
