Technical indexes of laminating rods and drawing rods

Product Features:

Products type:  Grade F, H of heat resistance grade
Inner/Out Dia.(mm) :3—100
Height (mm):1000---6000
Voltage Level(kv):10—35

 

Technical indexes of laminating rods and drawing rods

 

Item


Property
Unit Standard
3725 3840 3850 810 830 850
1
Apparent density
G/cmm ≥1.26 1.75-2.00 1.75-2.00 ≥1.8 ≥1.8 ≥1.8
2
FIexural strength
Mpa ≥82.7 ≥343 ≥400 ≥294.1 ≥294 ≥294
3
Compressibility
Mpa ≥137.9
4
tensile strength 
Mpa ≥196 ≥490 ≥490 ≥490
5
Breakdown voltage parallel to layers
KV ≥10
20℃
变压器油中
≥15.0
90℃
变压器油中
≥30
90℃
变压器油中
≥30
90℃
变压器油中
≥30
90℃
变压器油中
≥30
90℃
变压器油中
6
insulation resistance
Normal  MΩ.m

≥1.0
×10
4
≥1.0
×10
4
≥1.0
×10
4
≥1.0
×10
4
≥1.0
×10
4

After parallel to layers
≥1.0
×10
1
7
Surface voltage resistance 
≥10 ≥12
8
Moisture content
% 1.1-1.4 0.5-0.75 0.5-0.7 ≤0.5 ≤0.5 ≤0.5