Specifications of molded rod
|
Properties
|
Units
|
Grade
|
||||||||
|
Phenolic cotton-cloth rod
|
Epoxy glass fabric rod
|
|||||||||
|
3721
|
3721-1
|
3722
|
3723
|
3724
|
3725
|
3840
|
3841
|
3841F
|
||
|
Density −
|
！
|
1.25
|
1.25
|
1.28
|
1.26
|
1.28
|
1.26
|
1.75
|
1.70
|
1.75
|
|
Water absorption ＋
|
%
|
1.0
|
1.0
|
2.0
(Φ13mm) |
1.3
(Φ13mm) |
1.5
(Φ13mm) |
1.1
(Φ13mm) |
！
|
0.5
(Φ13mm) |
0.5
(Φ13mm) |
|
Flexural strength −
|
MPa
|
117.6
|
88.0
|
110.3
|
89.6
|
110.3
|
82.7
|
343.0
|
241.3
|
241.3
|
|
Tensile strength −
|
MPa
|
78.4
|
！
|
！
|
！
|
！
|
！
|
196.0
|
！
|
！
|
|
Compressive strength −
|
MPa
|
！
|
！
|
131.0
|
137.9
|
131.0
|
137.9
|
！
|
241.3
|
241.3
|
|
Insulation resistance parallel to the lamination
A − D-24/23 − |
Ω
|
1.0〜108
！ |
1.0〜108 ！
|
！
！ |
！
！ |
！
！ |
！
！ |
1.0〜1010 1.0〜107
|
！
！ |
！
！ |
|
Breakdown voltage parallel to laminations in transformer oil −
|
KV
|
20＼5≧
10.0 |
20＼5≧
10.0 |
！
|
20＼5≧ 10.0
|
！
|
20＼5≧ 10.0
|
90＼2≧
15.0 |
90＼2≧ 15.0
|
90＼2≧ 15.0
|
|
Flammability
|
！
|
！
|
！
|
！
|
！
|
！
|
！
|
！
|
！
|
FV0
|
|
Colour
|
！
|
Natural
|
Natural
|
Natural
|
Natural
|
natural or black
|
Natural
|
Natural
|
Natural
|
Natural
|
|
Characteristics & Applications
|
！
|
For mechanical & electrical application.
|
For mechanical application,
but not stronger than 3721. |
Similar to NEMA's c grade
|
Similar to NEMA's CE grade.
|
Similar to NEMA's L grade.
|
Similar to NEMA's LE grade.
|
Good humidity resistance.
for mechanical & electrical application. |
Similar to NEMA's G-10 grade.
|
Similar to 3841,with good flame retardent.
|
You are warmly welcome to raise your special requirement, so as to make design and studies in special in order to produce more qualified new type laminated sheet.