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1、J I S C*2255 92 4933608 0508430 262 UDC 621.31 5.61 3.1 -41 9.3-41 61621.981 .O1 1 :549.623.5 JIS JAPANESE INDUSTRIAL STANDARD Flexible mica materials Gr3 JIS C 2 2 5 5 - 1 9 9 2 Translated and Published bY Japanese Standards Association Printed in Japan 7s Copyright Japanese Standards Association P
2、rovided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 20:43:17 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS C+2255 92 = 4933608 0508431 I T 9 In the event of any doubt arising, the original Standard in Ja
3、panese is to be final authority. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 20:43:17 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS CW255 92 m 4933608 05
4、08432 035 m UDC 621.315.6 13.1-4 19.3-4 161621.981 .O1 1549.623.5 JAPANESE INDUSTRIAL STANDARD J I S Flexible mica materials C 2255-1992 1. scope This Japanese Industrial Standard specifies mica product which are flexible at normal Remarks 1. temperature excluding post-impregnatable mica materials a
5、nd resin rich mica materials. The following Standards are cited in this Standards: JIS C 21 16 Testing methods for electrical insulating mica products JIS C 2250 General rules for electrical insulating mica products The units and numerical values given in ) in this Standard are based on the traditio
6、nal unit and are appended for informative reference. 2. 2. Definitions For the purpose of this Standard the definitions given in JIS C 2250 shall apply. 3. classification Table 1. The class shall be expressed by the symbol prescribed in JIS C 2250 as shown in a Copyright Japanese Standards Associati
7、on Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 20:43:17 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S CW255 92 4933b08 0508433 T i l 2 C 2255-1992 Table 1. Classification Material mica Reinfor
8、cement I Binder MC means clear muscovite mica Splittings. MS means stained muscovite mica Splittings. MA means phlogopite mica Splittings. MR means mica paper based on calcined muscovite. MT means mica paper based on uncalcined muscovite. MU means mica paper based on phlogopite. Binder emplo in$ oil
9、 modified s d e t i c resin, orthophthdc acid alkyd resin, unsaturated poly- ester resin or synthetic resins equivalent superior to them in heat resistivity as its principal composi- tion. M (C, S, A) 64 M (R, T, U) 64 M (C. S. A) 74 G Glass cloth on both sides M (R, T . U) 74 G M (C, S, A) 84 G Gla
10、ss cloth on one side M (R. T, U) 84 G M (C. S, A) 74 A M (R. T. U) 74 A Polyester films on both sides Polyester film on one side M (C, S, A) 84 A M (It, T, U) 84 A Binder emplo in silicone modiiecf syn- thetic resin, is0 htalic or telephthalic aci8 alkyd resin, epoxy resin or syn- thetic resins equi
11、valent or superior to them in heat resistivity as its principal composition. M (C, S, A) 65 M (R. T. U) 65 M (C. S . A) 75 G Glass cloth on both sides M (R. T, U) 75 G M (C. S. A) 85 G Glass cloth on one side M (R. T. U) 85 G M (R, T. U) 85 A Polyester film on one side Binder employing silicone resi
12、n or synthetic resins equivalent or supe- rior to it in heat resis- tivity as its principal cornpositon. M (C. S, A) 66 M (R, T, U) 66 M (C, S, A) 76 G Glass cloth on both sides M (R, T, U) 76 G M (C, S, A) 86 G M (R. T. U) 86 G G l a s s cloth on one side I Note (l) For example, M (C, S, A) 64 mean
13、s MC 64, MS 64 and MA 64. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 20:43:17 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS CX2255 92 m 4933b08 0506434
14、908 m 30 min. 3 C 2255-1992 35 min. 25 min. 30 min. 40 min. 30 min. 25 min. 45 min. 40 min. 35 min. 35 min. 45 min. 4. Characteristics The characteristics shall be as specified in Tables 2 to 5 when the tests are carried out in accordance with 7. Table 2. Mica content Unit: % Range of nominal thickn
15、ess (t) Symbol() t t + 0.13 - 0.06 f 0.03 + 5 O + 5 O 0.15 I t e 0.30 + 0.20 - 0.10 f 0.05 0.30 I t e 0.50 + 0.22 - 0.12 f 0.06 0.50 I t + 0.25 - 0.15 i 0.06 f 0.08 f 0.08 f 0.02 f 0.03 M (R. T, U) 64 M (R, T, U) 65 M (R, T, U) 66 M (R, T, U) 74 G M (R. T . U) 75 G M (R. T, U) 76 G M (R. T, U) 84 G
16、M (R. T. U) 85 G M (R. T. U) 86 G M (R. T, U) 74 A M (R, T, U) 84 A M (R, T, U) 85 A 0.15 t + 5 O + 5 O 0.15 I t e 0.30 0.30 I t 0.50 i 0.10 f0.04 0.50 s t f 0.12 f 0.05 Remarks 1. The thickness of mica splitting product shall be measured at 20 points, and the measured values shall fall within the r
17、ange of tolerances at 18 points or more. For a tape not exceeding 30 m in length one cut is allowed, but the cut shall not lie within 3 m from both ends. When the length of tape exceeds 30 m the number of cuts is subjected to agreement between the parties concerned with acceptance. 2. Copyright Japa
18、nese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 20:43:17 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S CX2255 92 m 4933608 0508439 49T m 8 C 2255-1992 6. Material and ma
19、nufacturing method paper shown in Table 1 are adhered together with reinforcement using the binder of Table 1, and cut to the prescribed width and length. They shall be flexible, uniform in thickness, free from fold, scratch and other defects, and shall not contain any material detrimental to electr
20、ical insulation. 7. Testing methods The flexible mica materials shall be so manufactured that the mica Splittings or mica 7.1 Dimension The dimension shall be examined in accordance with 6. (dimension test) of JIS C 2116. 7.2 Mica content The mica content shall be examined in accordance with 11. com
21、posi- tion (mica and binder contents) test of JIS C 2116. 7.3 Tensile strength The tensile strength shall be examined in accordance with 13. (ten- sile strength test) of JIS C 2116. 7.4 Dielectric breakdown strength The dielectric breakdown strength shall be examined in accordance with 22. (dielectr
22、ic breakdown strength test) of JIS C 2116. 7.5 Windability The windability shall be examined in accordance with 17. (windability test) of JIS C 21 16. The conditions of winding shall be as specified in Table 7. Table 7. Conditions of winding Symbol I Test temperature I Diameter of round bar M (C. S
23、. A) 64 M (C. S . A) 65 M (C, S, A) 74 G M (C. S . A) 75 G M (C, S, A) 76 G M (C, S, A) 84 G M (C, S, A) 85 G M (C, S, A) 86 G M (C, S, A) 74 A M (C. S . A) 84 A M (R. T. U) 64 M (R. T . U) 65 M (R. T. U) 74 G M (R, T. U) 75 G M (R. T. U) 76 G M (R. T, U) 84 G M (R, T. U) 85 G M (R, T, U) 86 G M (R.
24、 T, U) 74 A M (R. T, U) 84 A M (R, T, U) 85 A M (R. T. U) 66 M (C. S, A) 66 Approx. 150 times the nominal thickness 8. Inspection of 7. and the results shall meet the requirements of 4. and 5. However, some parts of the items may be omitted subject to agreement between the parties concerned with acc
25、eptance. Inspection shall be made on the following items in accordance with the testing methods (1) Dimension (2) Mica content (3) Tensile strength (4) Dielectric breakdown strength (5) Windabili ty Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees
26、/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 20:43:17 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S C*2255 92 = 4933608 0508440 101 = 9. C 2255-1992 9. Packaging The packaging shall be suitable for transportation so as to avoid moisture absorption and d
27、amage. 10. Designation of products The product shall be designated by the class and dimensions (nominal thickness x width x length). For tapes the unit of length (m) may be appended. The name shall be expressed as given below according to the component materials. e Without reinforcement Mica with gl
28、ass cloth on both sides Mica with glass cloth on one side Mica with film on both sides Mica with film on one side Example: For sheets; MC 84 G MR 84 G For tapes; MC 84 G MC 84 G Flexible mica splitting Flexible mica paper Flexible mica splitting with glass cloth on both sides Flexible mica paper wit
29、h glass cloth on both sides Flexible mica splitting with glass cloth on one side Flexible mica paper with glass cloth on one side Flexible mica splitting with film on both sides Flexible mica paper with film on both sides Flexible mica splitting with film on one side Flexible mica paper with film on
30、 one side 0.1 x 980 x 980 0.1 x 980 x 980 0.1 x 19 x 30 m 0.1 x 19 x 30 m 11. Marking The following items shall be marked on an easily visible location of the each package. (1) Name of symbol (2) Dimension (3) Quantity (4) Manufacturers name or abbreviation (5) Year and month of manufacture or their
31、 abbreviation (6) Serial number Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 20:43:17 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S CX2255 92 4933608 05
32、08441 048 m C 2255-1992 Edition 1 Japanese Text Established by Minister of International Trade and Industry Date of Establishment: 1969-06-01 Date of Revision: 1992-03-01 Date of Public Notice in Official Gazette: 1992-04-28 Investigated by: Japanese Industrial Standards Committee Divisional Council
33、 on Electricity This English translation is published by: Japanese Standards Association 1-24, Akasaka 4, Minato-ku, Tokyo 107 Japan O JSA, 1992 Printed i n Tokyo by Hohbunsha Co., Ltd. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 20:43:17 MDTNo reproduction or networking permitted without license from IHS -,-,-