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Molded Rod
  • Type：3721、3721-1、3722、3723、3724、3725、3840、3841、3841F
  • Characteristics & Applications：For mechanical & electrical application
 
                                                                                                      Properties
 
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.

                                                                                      TJPFTZ L.X. INTERNATIONAL TRADING CO.,LTD.  
                                                   Add: Rm 801,Block C,Building 2,Xin Li Ja,Xin Wen Hua Garden,Fu'an st,He Ping District,Tianjin,China.
                                                                                    Post code: 300021
                                                               Tel: 0086-22-81330769  /27314832   /27307427       Fax: 0086-22-27314830