Current Product
Ripple Spring Sheet
Properties
Ripple spring sheet is made of non-alkali glass fiber cloth impregnated with high-temperature resistance resin after process of baking 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 | |
| Glass 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.