| Model: | - |
|---|---|
| Brand: | FW |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Insulation Material |
| Label: | Condenser paper , capacitor paper , insulating paper |
| Price: |
-
|
| Min. Order: | 2000 kg |
| Last Online:25 Nov, 2011 |
1. COMPOSITION AND PRESENTATION
Condenser paper is made from 100% high purity insulating wood pulp under a special precess.
This product has A, B and C grades based on quality and i-type and ii-type based on apparent density. Apparent density of I-type product: 1.0g/cm3 and 1.15g/cm3 . Apparent density of II-type product: 1.20g/cm3 and 1.22 g/cm3. Condenser paper is reel.
Width of reel: 95mm, 140mm, 235mm, 250mm, 280mm 355mm, 390mm and 420mm. Allowed difference of width: ≤±1.0mm for width ≤200mm; ≤±2.0mm for width >200mm. Diameter of reel: 220mm-250mm. Inner diameter of paper core: 75±1mm.
2. MAIN TECHNICAL CHARACTERISTICS
|
properties |
Unit |
Values |
||||||||||
|
i-type |
ii-type |
|||||||||||
|
Grade |
|
|
A |
B |
C |
Thickness |
A |
B |
C |
|||
|
Thickness tolerance |
% |
8µm |
±7 |
±8 |
±8 |
4-6µm |
±10 |
±10 |
±10 |
|||
|
10-15µm |
±6 |
±7 |
±8 |
7-8µm |
±7 |
±8 |
±8 |
|||||
|
17-22µm |
±6 |
±6 |
±7 |
10-12µm |
±5 |
±6 |
±6 |
|||||
|
-- |
-- |
-- |
-- |
15-17µm |
±5 |
±6 |
±6 |
|||||
|
Density |
g/cm3 |
8-15µm |
1.00 ± 0.05 |
4-6µm |
1.2 ± 0.05 |
|||||||
|
17-22µm |
1.15± 0.05 |
7-17µm |
1.22 ±0.05 |
|||||||||
|
Stretch MD |
N·m/g |
A: ≥70.0 B: ≥55.0 |
A: ≥78.0 B: ≥60.0 |
|||||||||
|
Water content |
% |
4.0-6.0µm: 6.0-10.0 7.0µm and up:5.0-9.0 |
||||||||||
|
Ash content |
% |
≤0.35 |
||||||||||
|
Acid of water extract |
% |
≤0.0070 |
||||||||||
|
Electric conductivity of water extract |
mS/m |
A: ≤3.0 B&C: ≤4.0 |
||||||||||
|
Electrical strength(AC)≥ Minimum |
V/liet |
8µm |
260 |
260 |
250 |
8µm |
280 |
280 |
230 |
|||
|
10µm |
300 |
280 |
270 |
10µm |
330 |
330 |
270 |
|||||
|
12µm |
330 |
310 |
300 |
12µm |
365 |
365 |
290 |
|||||
|
17µm |
380 |
360 |
350 |
17µm |
425 |
425 |
320 |
|||||
