Sodium Naphthalene Sulphonate Formaldehyde powder

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Product Description:

Sodium Naphthalene Sulphonate 

Formaldehyde powder

Sodium Naphthalene Formaldehyde is light yellow to yellow-brown powder, an anionic surfactant. sodium

 naphthalene formaldehyde is soluble in water, acid, alkali and hard water, good dispersion properties. With 

protein and polyamide fibers have affinity.

Mainly used to coloring for vat dyes, reactive dyes, acid dyes, acid staining pad or pigment pad dyeing of the 

dispersing agent, as a auxiliaries for vat dyes's powder or sizing agent. Also used staining to levelling agent and 

auxiliary tanning agent in leather industry. 

No corrosion products on steel. Widely used in concrete works, precast, sleepers, bridges, tunnels, military 

engineering, hydraulic engineering, port and airstrip, high-rise building, etc.

Main properties:

 NoIndex items
No  Index items
 1 Net starch fluidity (mm) ≥ 250 % 4 Content of cl-(%) ≤ 0.3%
 2 Solids content (%) ≥ 93 %  5 Na2SO4 content (%) ≤ 5 %
 3 PH Value  7 - 9 6 surface tension (n/m) (71±1)×10-3

Features and Benefits

1. Water reducing rate is above 10%, it can also improve concrete flowability without increase water consumption.                                       

2. Improve concrete workability. It can reduce cement consumption for 5-10% while keep the same compressive strength and slump value.

3. No chloride ion, no corrosion to the steel bar.

4. Improve concrete impermeability, compactability, freezing resistance and durability.

5. Reduce cement initial heat of hydration.

6. It is compatible with pumping agent to obtain retarding effect.  

Packaging and storage:
1, lined with plastic film, packing with bags, each bag of net weights 25Kg ± 0.5kg. 
2, this product is not flammable non-toxic, to be protected against rain, moisture when stored. If there are lumps, made of crushed or with solutions, does not affect the performance.

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