Ripple Spring Sheet
Properties
Ripple spring sheet is made of bon-alkali glass fiber cloth impregnated with high-temperature resistance resin after process of backing and press in mould. This kind of sheet has good properties of mechanism and heat-aging resistance. It can be used as slot cell wedge in large generator of 300MW 600MW or 900MW.
Data Form
| Properties |
Value |
| Wave length |
30mm or 32mm |
| Wave height |
2.8mm |
| Density |
≥1.8g0/m3 |
| Class cloth content |
≥70% |
| Permanent deflection |
at 120℃ for 24 hours |
≤0.20mm |
| at 150℃ for 200 hours |
≤0.36mm |
| Crack test (under pressure at 135~140℃ for 10minutes) |
Sample of none obviously crack |
| Rigidity K |
＞0.50Mpa/mm |
| Compressive strength |
Compress to 2/3 wave height |
≥0.60N/ m2 |
| Compress to 0.45mm wave height |
≥0.80N/ m2 |
| Weight loss after burning |
28±5% |
Specification
- 1. Standard spec: wave length of 30mm/ Area of 470mm x 360mm
wave length of 32mm/ Area of 470mm x 380mm
- 2. Packing: In Pallet or Carton
- 3. Min Qty: 100 kg each size in a lot.
Note:The values noted in above technical specification are given only for our customers' reference and should not be used in writing specifications.
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