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Foundry bentonite | In-organic treated bentonite clay

Foundry bentonite is in-organic treated bentonite clay which is utilized in foundry to bind the sand grains into desired shapes. Foundry bentonite helps in retaining the mechanical shape of the mould by making the particles of sands adhere to it and also making the surface impermeable.

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Product details

Foundry bentonite is in-organic treated bentonite clay which is utilized in foundry to bind the sand grains into desired shapes. Foundry bentonite helps in retaining the mechanical shape of the mould by making the particles of sands adhere to it and also making the surface impermeable.

Strength and fusion point are the two important properties desired for selecting bentonite. Primary use is in the production of non-ferrous castings.

Mixing ratio depends on the sand fineness and its quality, impurities, clay particles and fineness of sand 

Advantages and Applications:

Bentonite CP-FNA2 is normal sodium bentonite ; CP-FNA2 has nice gas permeability and .good recycling,its dosage is

about 5%-8%. It is main selection for precision casting and normal casting.

CP-FCA is calcium bentonite. It is suitable for normal casting and rough casting, it is main selection for rough casting.

Bentonite CP-FNA1 is sodium bentonite with high thermal stability; It has advantages of small dosage (addition level is less than 5%), high wet pressure strength, high hot wet tension strength, nice gas permeability,good

recycling. It is suitable for high precision casting.

Packing:

25kg/bag,50kg/bag,1000kg/bag

Typical properties:

Properties Sodium Base Bentonite

CP-FNA1

Calcium Base

Bentonite

CP-FCA

Methyl blue g/100g ≥ 32 30
Colloid value ml/15g ≥ 500 48
Swelling value ml/g ≥ 50 10
PH value 8-9.5 6.5-7
Wet pressure strength Kpa ≥ 50 3
Hot wet tension strength Kpa ≥ 3 1.5
Moisture% ≤ 10 10
Fineness(pass 200mesh screen) ≥ 95  95

Pls email us now for bentonite clay,we would like to mail you price and TDS.

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Packing Details

Modified bentonite

Modified bentonite

Modified bentonite

25Kg/bag or customized Kraft complex interior with PE

25Kg/bag or customized Kraft complex interior with PE
800Kg/Pallet or  1MT/Pallet Wood Pallts or Plastic Pallets

800Kg/Pallet or 1MT/Pallet Wood Pallts or Plastic Pallets

16MT/20FCL with pallet 25MT/40FCL with pallet

16MT/20FCL with pallet 25MT/40FCL with pallet

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