Snf Sodium Naphthalene Sulfonate Formaldehyde
------Elt-SNF
1.
Sodium Naphthalene Sulfonate Formaldehyde Introduction
Naphthalene formaldehyde sulfonate water reducing agent is a synthetic powder based on beta-sulfonate formaldehyde condensate and reactive polymer.
It has the properties of
high range water reduction, set retarding and excellent strengthening.
Elt sodium sulfate is less than 10% , suitable to middle strength or high strength
concrete where high range water reduction is desired.
2. SNF Sodium Naphthalene Sulfonate Formaldehyde Specification
| INDEXITEM |
Elt-A |
Elt-B |
Elt-C |
| Appearance |
Light brown powder |
Light brown powder |
Light brown powder |
| Solid Content |
≥92 |
≥92 |
≥92 |
| Sodium sulphate Content |
5% OR 3% |
10% |
20% |
| Chloride Content |
0.3% |
0.4% |
0.5% |
| PH Value |
7-9 |
7-9 |
7-9 |
| Net Starch Fluidity |
≥250 mm |
≥240 mm |
≥230 mm |
| Surface Tension |
70±1×10-3N/M |
70±1×10-3N/M |
70±1×10-3N/M |
3.
Sodium Naphthalene Sulfonate Formaldehyde Application
A. Used for and widely for self-cured, vapor-cured concrete and its formulations.
At the early stage of application, extremely prominent effects are shown.
As the result, the modulus and site utilization can be drastically, the procedure of vapor cure is omitted in peak-heat summer days.
Statistically 40-60 metric tons of coal will be preserved when a metric ton of the material is consumed.
B. Suitable for preparation of early-strength, high-strength, high-anti-filtration and self-sealing& pumpable concrete.
C. Widely used in pre-cast & ready-mixed concrete, armored concrete and pre-stressed reinforced concrete
in key construction projects such as dam and port construction, road building & town
planning projects and dwelling erections etc.
D.Compatible with Portland cement, normal Portland cement, Portland slag cement, fly-ash
cement and Portland pozzolanic cement etc.
4.
Sodium Naphthalene Sulfonate Formaldehyde USAGE:
A. Blending dosage at 0.5%-1.0%, 0.6% mixing dosage advised.
B. Prepare solutions as required.
C. Direct use of powder agent is allowed. Alternatively the addition of the agent
is followed by water moisturization (water-cement ratio:60%).
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