Laminated Tubes & Rods
It is a kind of rigid insulation rod, which is made of cotton cloth impregnated in phenolic resin by processing of curling and press. It has high mechanical properties .It's widely used as insulation parts of electrical equipments and in transformer oil.
|
Properties |
Unit |
1 |
2 |
3 |
4 |
5 |
|
Density ≥ |
g/cm3 |
1.25 |
1.28 |
1.26 |
1.28 |
1.26 |
|
Water absorption(Ø 13mm) ≤ |
% |
1.0 |
2.0 |
1.3 |
1.5 |
1.1 |
|
Flexural strength ≥ |
MPa |
117.6 |
110.3 |
89.6 |
110.3 |
82.7 |
|
Compressive strength ≥ |
MPa |
--- |
131.0 |
137.9 |
131.0 |
137.9 |
|
Insulation resistance parallel to the lamination ≥ |
Om |
1.0*108 |
--- |
--- |
--- |
--- |
|
Breakdown voltage parallel to laminations in transformer oil ≥
(20±5c oil) |
KV |
10.0 |
--- |
10.0 |
--- |
10.0 |
|
|
|
|
|
|
|
|
OD: 6,8,10,12,13,15,16,18,20,22,25,28,30,32,35,38,40,45,50,55,60,65
70,75,80,85,90,95,100,110,120,130,140,150,160,180,200mm. Length: 1000mm.