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283:(TEM) need to be supported by a thin electron-transparent film to hold the sample in place. Formvar films are a common choice of film grid for TEM. Formvar is favored because it allows users to utilize grids with lower mesh rating.
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Formvar resin has a high softening point and strong electric insulation properties. It is also very flexible, water-insoluble, and resistant to abrasion. Formvar is also halogen free. Formvar resins are combustible and can cause
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Formvar is used in many different applications, such as wire insulation, coatings for musical instruments, magnetic tape backing, and support films for
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251:. Formvar is also used as a main ingredient for special adhesives in structural applications such as the aircraft industry.
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296:. For this reason exposure to heat, sparks, and flame should be avoided. Formvar is most commonly dissolved in
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Biological
Electron Microscopy: Theory, Techniques, and Troubleshooting
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267:. It is combined with other "wire enamels" which are then coated onto
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Ullmann's
Polymers and Plastics, 4 Volume Set: Products and Processes
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Except where otherwise noted, data are given for materials in their
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and cured in an oven to create a crosslinked film coating.
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that are polyvinyl formals, which are polymers formed from
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Plastics
Materials and Processes: A Concise Encyclopedia
384:. Springer Science & Business Media. pp. 245–.
465:. Springer Science & Business Media. pp. 77–.
432:
Charles A. Harper; Edward M. Petrie (10 October 2003).
378:
Michael J. Dykstra; Laura E. Reuss (31 December 2003).
486:Tor Savidge; Charalabos Pothulakis (5 April 2005).
405:G. C. Mays; A. R. Hutchinson (22 August 2005).
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259:The major application of formvar resins is as
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411:. Cambridge University Press. pp. 10–.
231:of the polyvinyl formal resin produced by
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357:. John Wiley & Sons. pp. 1156–.
438:. John Wiley & Sons. pp. 785–.
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220:. They are typically used as coatings,
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227:"Formvar" used to be the registered
459:Linda C. Sawyer (6 December 2012).
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281:transmission electron microscopy
275:Transmission electron microscopy
179:(at 25 °C , 100 kPa).
408:Adhesives in Civil Engineering
159:White to straw colored powder
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332:. Merriam-Webster, Inc. 2014
492:. Elsevier. pp. 147–.
351:Wiley-VCH (25 April 2016).
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224:, and molding materials.
233:Monsanto Chemical Company
197:refers to any of several
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287:Physical characteristics
279:Most specimens used in
261:electrical insulation
330:Merriam-Webster.com
298:ethylene dichloride
249:electron microscopy
237:St. Louis, Missouri
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462:Polymer Microscopy
183:Infobox references
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499:978-0-12-521535-0
489:Microbial Imaging
472:978-94-009-3139-8
445:978-0-471-45920-0
418:978-0-521-01815-9
391:978-0-306-47749-2
364:978-3-527-33823-8
218:polyvinyl acetate
206:polyvinyl alcohol
191:Chemical compound
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119:CompTox Dashboard
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517:Industrial Glues
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334:. Retrieved
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243:Applications
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210:formaldehyde
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37:Identifiers
537:Dielectrics
269:copper wire
265:magnet wire
255:Magnet wire
156:Appearance
151:Properties
88:100.109.921
526:Categories
312:References
302:chloroform
229:trade name
214:copolymers
169:1.23 g/mL
65:ChemSpider
54:63450-15-7
44:CAS Number
28:IUPAC name
542:Adhesives
326:"Formvar"
222:adhesives
109:613-229-1
101:EC Number
17:Formvar
336:10 July
306:dioxane
195:Formvar
165:Density
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304:, and
202:resins
22:Names
216:with
494:ISBN
467:ISBN
440:ISBN
413:ISBN
386:ISBN
359:ISBN
338:2014
263:for
208:and
72:none
235:in
212:as
124:EPA
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
