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Tundish Dry Vibration Material

Non-toxic, simple construction, high efficiency, reducing labor intensity. Long continuous casting time(over 35 hours), erosion resistance, easy decoating (flipping), cost reducing.
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Features

 

  1. 1. Non-toxic, simple construction, high efficiency, reducing labor intensity.
  2. 2. Long continuous casting time(over 35 hours), erosion resistance, easy decoating (flipping), cost reducing.
  3. 3. Short baking time, good explosion-proof, high thermal efficiency, energy saving.
  4. 4. Low tundish slagging rate, helping to purify liquid steel and improve the quality of steel billet.

 

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Physical and chemical indicators

 

Index          variety

Chemical composition（%）

Bulk density（g/cm³）

Withstand pressure（MPa）

Line changes（%）

MgO

SiO2

250℃X3h

250℃X3h

1500℃X3h

Magnesia vibrating material

≥75

 

≤2.5

≥5.0

-0.2—0

Magnesium siliceous vibrating material

≥60

≥20

≤2.5

≥5.0

-0.3—0

 

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Construction Procedures

 

  1. 1. Placing metal membrane in the tundish, leaving a working gap of 5-12cm between the permanent lining and the membrane.
  2. 2. Manually pouring dry vibrating material into the gap, vibrating the membrane to make it dense.
  3. 3. Heating (temperature 250°C-400°C) in the membrane with a heater for 1-2 hours.
  4. 4. After cooling down, lift the membrane away.
  5. 5. When baking tundish, first bake on medium-low heat for 1 hour, and then bake red over high heat, and then pour steel.

 

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Notes

 

  1. 1. After the tundish is baked red, the tundish wall should not be cooled down, so as to avoid loose cladding structure and guarantee the performance.
  2. 2. During the first tapping, the temperature of hot steel shall be raised appropriately to avoid nozzle clogging.
  3.  
thermal insulation cups materials exporters

Performance

 

The dry vibration material produced by our company has been used in many steel plants in the country, and the average service life is more than 35 hours at present, which has reached the advanced level in China and has been highly recognized by customers.

 

thermal insulation cups materials manufacturer

Package

  1.  
  2. 1.1ton Jumbo Bag
  3. 2.10Kg small bags with Jumbo Bag
  4. 3.25Kg small bagwith Jumbo Bag
  5. 4.Or as request
  6.  
thermal insulation cups materials supplier

Delivery Port

 

Xingang Port or Qingdao Port, China.

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