First Class electrolytic manganese metal (EMM) 99.7% in low price

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Product Description:

 

90%carbon content 1-2,2-4mm calcined anthracite 

 

Description of anthracite filter media

Anthracite is a kind of filter used in water treatment. It is suitable for the treatment of common acid, the middle degree alkali. This product has large surface area, and its various indexes all exceed the Construction Department’s standard. Anthracite filter is especially selected from the deep well minerals, so it includes the highest percentage of carbo. It must have been filtered and washed to make sure it can be used for water filting. Since it has better granular maintaining ability, so it can improve the floating granular’s cleaning ability.

Uses of anthracite filter media

Useful in general acid, in alkaline water purification treatment, is a double, three water purification filter indispensable materials, various technical indicators have reached and exceeded the Ministry of Construction (CJ/T44-1999) standard.

Specifications of walnut shell filter media

 Properties:

 

Test Results

Values

Bulk density

813kg/m3

Effective Size(mm)

1.3-1.45mm

       Uniformity coefficien(max)

<1.5

         Specific Gravity

 

1.4-1.6g/cm3

Advantages

1. Longer Filter Runs

2. Faster Filtration

3. Long Lifetime

4. Good Separation Characteristics
5. Savings water and power in washing

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Q:Can the floor tiles be removed from the cement mats on the prefabricated board floor?
Prefabricated board floor layer of cement layer is not called the cushion, should be called leveling layer, this layer can be eradicated, but should pay attention not to damage.
Q:What is the difference between leveling and cushion?
Cushion is generally used in the ground floor of the building, leveling layer is generally used in the floor or roof. According to the above analysis, I believe that we use the quota, where the floor, roof construction, it should be used to find the level of the fixed sub-head, because there is no so-called concept of the cushion, leveling layer thickness is not what Specific provisions can also be used at the same time different layers of leveling, but must be carried out in accordance with the design requirements, so as not to exceed the load;
Q:Is foam concrete suitable for use as a cushion?
And then through the foaming machine pumping system for cast-in-place construction or mold forming, the formation of natural conservation with a large number of closed pores of the new lightweight insulation materials.
Q:Foam concrete for the roof cushion generally do much bulk ah
Foam concrete density grade is generally 300-1800kg / m3, commonly used foam concrete density grade 300-1200 kg / m3,
Q:Can the cushion on the prefabricated board floor be dug?
Surface layer without steel, do not bear the load, you can dig out But sometimes the prefabricated floor above the surface layer with steel, to bear the load, this can not be removed! To know how thick the cushion, in the local dig about In general, to do leveling layer, can not be directly laid tiles
Q:Do you need a cushion for roof waterproofing?
There is no "cushion" on the roof, and there is a concrete cushion under the basement floor. What you said may be leveling, is the base of the waterproof layer.
Q:Do you need a cushion on the ground floor?
In addition to wood also buy wooden side, used as the main beam, beam and pillars. The ground is also recommended to raise, raise the place also to beam and pillars The number of boards to be based on your design to determine the ground practice, roof practices will affect the number of wood
Q:Basement cushion waterproof
Fourth, improve the waterproof performance: 1, Aggregate graded concrete, is the use of different aggregates of the aggregate and improve the content of cement mortar in the concrete, so that the mortar is filled between the aggregate, thus blocking the aggregate is not dense between the seepage channel , Improve water resistance; 2, plus concrete, is added in the concrete air conditioner or dense agent to improve the impermeability.
Q:Why do the basics of the cushion waterproofing
The general basis of the foundation, the bar base is not necessary to do, like a raft in the basement, it is necessary to prevent the water from dipping into the basement (so the basement design may have to do anti-floating calculations). Assuming (just suppose) the raft can easily turn over, then we do waterproof (like roof) directly on it, not waterproof on the cushion.
Q:The top floor made waterproof playing cushion layer of how to do
Roof leaking of the construction program:   1. Need to remove the previous waterproof, such as paint, coil, etc., if it is to do the mortar waterproof can not be eradicated.

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