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Sodium Naphthalene Sulfonate Formaldehyde Introduction
This sodium naphthalene sulfonate water reducer is a synthetic powder made from β‑sulfonate formaldehyde condensate and reactive polymers. It’s a high-performance sodium naphthalene sulfonate formaldehyde superplasticizer for concrete that gives strong water reduction, slows setting, 1and boosts strength.
As a low-sulfate sodium naphthalene sulfonate formaldehyde water reducer for high-strength concrete, it can have a sodium sulfate content below 5% (or up to about 10% depending on the grade), making it ideal for medium- to high-strength mixes that require large water cuts.
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Sodium Naphthalene Sulfonate Formaldehyde Usage Instructions
◆ Dosage
Blending dosage: 0.5%–1.0% (by weight of cement), with a recommended
dosage of 0.6%.
Adjust dosage based on specific mix design and performance requirements.
◆ Solution Preparation
Prepare aqueous solutions as needed, following standard mixing procedures
for concrete admixtures.
◆ Application Methods
The powder agent can be used directly.
Alternatively, add the agent to the mix, followed by water addition, maintaining a water-to-cement ratio of 60%
(or as specified in the mix design).
Overview of the Application of Naphthalene Series Water Reducer
1. The low-sulfate sodium naphthalene sulfonate formaldehyde water reducer for high-strength concrete (Na₂SO₄＜5%) is ideal for
high-rise buildings and precast elements, with 20-25% water reduction and 28d strength up to 85 MPa, saving 12-18% cement.
2. Our high-performance sodium naphthalene sulfonate formaldehyde superplasticizer for concrete works perfectly for long-span
bridges and ready-mix concrete, ensuring good pumpability, 18-23% water reduction, and stable strength.
3. Suitable for hydropower dams and road projects, the low-sulfate naphthalene water reducer (Na₂SO₄＜10%) features retarding
effect, low-heat hydration, and improved impermeability and wear resistance.
4. The composite solution of naphthalene sulfonate formaldehyde water reducer for high-strength concrete + retarder + fiber
e ffectively controls cracks, with a 95% crack-control rate and high durability for underground projects.
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3.Concrete Retarder 98% Solid Content Sodium Gluconate As Construction Admixture
