Naphthalene Sulfonate Formaldehyde Condensate Water Reducing Admixture

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Basic Information

Model NO.:265

Chemical Composition:Naphthalene Sulfonate Formaldehyde

Type:High-range Water-reducing Agent

Water Reduction:15-30%

Appearance:Light Brown Powder

pH Value:7-9

Solid Content:>=91% Min

Density:1.162g/cm³

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Product Overview

A high-performance water reducer in the plasticizer category, the naphthalene-based variant is an anionic surfactant made from industrial naphthalene via chemical processes like sulfonation, condensation, and neutralization. Its key component, naphthalene sulfonate formaldehyde condensate, makes it one of the most prevalent concrete admixtures.

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Technical Specifications

Item/Index/Type	SNF-A	SNF-B	SNF-C
Appearance	Powder	Powder	Powder
Water Reduce Rate	>18	>16	>16
PH (10g/L solution)	7-9	8-10	7-9
Chloride Content %	≤0.3	≤0.5	≤4
Sodium Sulfate %	≤5	≤18	≤25
Solid Content %	≥92	≥92	≥92

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Key Features

High Water Reduction: Rate of 15%~25%, significantly lowering the water-cement ratio and enhancing strength.
Strength Enhancement: Increases compressive strength by 20%~40%, with notable early-stage development.
Improved Workability: Enhances concrete fluidity, facilitating pumping and placement.
Retarding Effect: Extends initial setting time by 1~3 hours, beneficial for summer construction.
Low Air Entrainment: Air content typically <3%, ensuring durability.

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Application Scope

Construction Projects: Cast-in-place concrete, precast components.
Infrastructure: Roads, bridges, tunnels, water conservancy.
Special Concrete: High-strength (C50+), pumping, mass concrete.
Precast Elements: Pipe piles, sleepers, segments.

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Packaging & Logistics

Powder package by plastic bag lined or woven inside, paper bag net weight 25/40kg. Liquid used plastic barrel, metal barrel, net weight 200kg, 1000kg. Transport should prevent moisture; drums should prevent leakage or evaporation drying.

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Frequently Asked Questions

Q: Can you provide technical support? A: Yes, we can provide online technical assistance or on-site technical assistance to ensure optimal product performance.

Q: What is your production capacity? A: We have a robust production capability, producing up to 3000 Metric Tons of final products per month.

Q: What is the Minimum Order Quantity (MOQ)? A: Our standard MOQ is 1 Metric Ton to accommodate various project scales.

Q: Do you offer free samples for testing? A: Yes, we provide free samples so you can verify the quality and compatibility with your specific cement types.

Q: What is the typical delivery timeframe? A: Orders are generally processed and shipped within 7-12 days after the receipt of the deposit.

Q: Can you handle OEM or ODM requirements? A: Yes, we can customize products, such as adjusting solid content to 50% or 60% based on your needs.