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Ripple Spring Sheet |
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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.
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Data Form |
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Properties |
Value |
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Wave length |
30mm or
32mm |
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Wave height |
2.8mm |
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Density |
≥1.8g0/m3 |
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Class cloth
content |
≥70% |
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Permanent
deflection |
at 120℃
for 24 hours |
≤0.20mm |
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at 150℃
for 200 hours |
≤0.36mm |
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Crack test
(under pressure at 135~140℃
for 10minutes) |
Sample of
none obviously crack |
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Rigidity K |
＞0.50Mpa/mm |
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Compressive
strength |
Compress to
2/3 wave height |
≥0.60N/
m2 |
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Compress to
0.45mm wave height |
≥0.80N/
m2 |
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Weight loss
after burning |
28±5% |
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Specification |
1. Standard spec: wave length of 30mm/ Area of 470mm x 360mm
wave length of 32mm/
Area of 470mm x
380mm |
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2. Packing: In Pallet or Carton |
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3. Min Qty: 100 kg
each size in a lot. |
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Note:
The values noted in above technical specification are given
only for our customers’ reference
and should not be used in writing
specifications. |
