Current Product

Ripple Spring Sheet

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.
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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