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Ripple Spring Sheet

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

285%

 

 

 

 

 

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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