985:
995:
72:
Initially the desired coating is applied in a puddle on the drawdown chart. Then the bar is placed at the top of the chart, and drawn down over the paint in order to spread it evenly along the length of the chart. Once this evenly spread paint dries, it can be tested for a variety of properties.
63:
because of the corrosive nature of some coatings. There are a multiplicity of more complicated designs including some in which the paint is already in the chart apparatus, but the bar method described above is the most commonly used.
35:, penetration, and flow & leveling behavior. This non-fluorescent material has to be especially rugged in order to maintain its structure and give reliable readings, as the coatings tested are often
59:
and touch the chart at each end, while the center is slightly raised to a desired height in order to obtain the desired film thickness. As with the charts, the bars have to be especially resistant to
43:. These charts are necessary in the testing of any coating as they give reliable and accurate readings for any type of coating before the coating is applied to the intended material.
895:
880:
875:
164:
131:
111:
890:
885:
194:
1044:
809:
460:
756:
677:
358:
288:
870:
804:
761:
1029:
784:
32:
703:
428:
313:
1024:
572:
1039:
907:
187:
36:
1049:
1034:
567:
423:
413:
935:
998:
480:
465:
323:
214:
160:
127:
107:
51:
Drawdown bars are used in collaboration with drawdown charts. The bars are generally made of
960:
819:
657:
435:
228:
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854:
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403:
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52:
28:
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945:
632:
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373:
348:
283:
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1013:
834:
824:
741:
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587:
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450:
418:
383:
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849:
766:
723:
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440:
408:
388:
363:
965:
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925:
844:
814:
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537:
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368:
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902:
829:
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582:
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522:
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398:
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393:
60:
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799:
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250:
227:
146:, 2nd edition. J. Wiley and Sons, New York, 1979
188:
8:
303:
273:
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181:
173:
19:are rectangular pieces of non-fluorescent
82:
27:properties. These properties include
7:
994:
23:which are used to test a variety of
14:
144:Paint Flow and Pigment Dispersion
993:
984:
983:
157:Paint and Coating Testing Manual
124:Paint and Coating Testing Manual
104:Paint and Coating Testing Manual
1:
810:Environmental impact of paper
1066:
757:Surface chemistry of paper
260:(Zuo Bo/Tso Po/Tso Tzǔ-yi)
979:
210:
289:Friedrich Gottlob Keller
805:Elemental chlorine free
762:Units of paper quantity
785:Bleaching of wood pulp
93:, March 31, 1980, p.45
91:American Paint Journal
1045:Visual arts materials
704:Corrugated fiberboard
461:Electrical insulation
314:Thomas Francis Carter
1007:
1006:
332:
331:
324:Tsien Tsuen-hsuin
302:
301:
272:
271:
215:Paper engineering
1057:
997:
996:
987:
986:
971:Beverage cartons
961:Watercolor paper
820:Hollander beater
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1008:
1003:
975:
914:
859:
855:Sulfite process
840:Paper recycling
795:Conical refiner
777:
771:
728:
714:Paper chemicals
687:
328:
298:
294:Charles Fenerty
268:
246:
242:Missal of Silos
237:Battle of Talas
223:
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137:
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53:stainless steel
49:
17:Drawdown charts
12:
11:
5:
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871:Paper industry
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815:Handmade paper
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734:Specifications
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573:Plastic-coated
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284:Matthias Koops
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89:Feinberg, H.,
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33:spreading rate
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1030:Writing media
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896:United States
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836:
835:Paper machine
833:
831:
828:
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825:Kraft process
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166:
165:0-8031-2060-5
162:
158:
152:
149:
145:
139:
136:
133:
132:0-8031-2060-5
129:
125:
119:
116:
113:
112:0-8031-2060-5
109:
105:
99:
96:
92:
86:
83:
76:
74:
67:
65:
62:
58:
54:
47:Drawdown bars
46:
44:
42:
38:
34:
30:
26:
22:
18:
936:Papier-mâché
931:Paper towels
850:Soda pulping
767:Wet strength
568:Photographic
441:Cotton (rag)
414:Construction
156:
151:
143:
142:T.E. Patton
138:
123:
118:
103:
98:
90:
85:
71:
50:
16:
15:
1025:Papermaking
966:Paper money
926:Lined paper
845:Papermaking
778:and process
776:Manufacture
752:Paper sizes
481:Greaseproof
466:Genkō yōshi
319:Dard Hunter
251:Originators
219:Papermaking
1040:Stationery
1014:Categories
903:Paper mill
830:Organosolv
709:Fiber crop
699:China clay
658:Waterproof
558:Paperboard
436:Correction
429:Carbonless
277:Developers
159:, p. 419,
126:, p. 418,
106:, p. 420,
77:References
1050:Paper art
1035:Materials
956:Notebooks
941:Cardboard
724:Wood pulp
692:Materials
668:Wood-free
643:Wallpaper
638:Tree-free
578:Red rosin
563:Parchment
548:Onionskin
543:Newsprint
404:Cartridge
399:Cardstock
394:Cardboard
344:Acid-free
155:Koleske,
122:Koleske,
102:Koleske,
68:Procedure
61:corrosion
37:corrosive
989:Category
946:Clothing
864:Industry
800:Deinking
790:Calender
747:Grammage
633:Transfer
598:Security
471:Glassine
374:Blotting
349:Air-laid
307:Scholars
57:aluminum
41:abrasive
999:Commons
951:Tissues
742:Density
719:Papyrus
678:Writing
628:Tracing
618:Thermal
593:Scritta
588:Rolling
553:Origami
516:Butcher
451:Display
419:Contact
384:Bristol
359:Asphalt
264:Damjing
258:Cai Lun
229:History
29:opacity
25:coating
881:Europe
876:Canada
623:Tissue
533:Manila
506:Korean
501:Ingres
496:Inkjet
409:Coated
389:Carbon
364:Banana
163:
130:
110:
1020:Paper
891:Japan
886:India
653:Wasli
648:Washi
608:Stone
538:Mummy
528:Lokta
511:Kraft
491:India
476:Graph
446:Crêpe
369:Bible
354:Amate
337:Types
204:Paper
21:paper
919:Uses
908:List
683:Xuan
673:Wove
603:Seed
583:Rice
523:Laid
486:Hemp
424:Copy
379:Bond
161:ISBN
128:ISBN
108:ISBN
663:Wax
613:Tar
55:or
39:or
1016::
456:Dó
217:/
31:,
196:e
189:t
182:v
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