The effectiveness of Aqueous Film-Forming Foam (AFFF) relies heavily on the precise performance characteristics of its constituent chemical additives, particularly fluorosurfactants. For formulators and product developers, understanding the technical specifications of these critical components is essential for creating high-performance firefighting agents. NINGBO INNO PHARMCHEM CO.,LTD., a leading manufacturer and supplier of specialized chemicals from China, offers a detailed look at the key technical specifications of amphoteric fluorosurfactants used in AFFF formulations.

Decoding the Technical Data Sheet

When you buy amphoteric fluorosurfactant, reviewing its Technical Data Sheet (TDS) is the first step. This document provides crucial information that dictates how the product will perform in your specific application. Key parameters include:

  • Appearance: Typically described as a clear to amber liquid. The clarity and color can sometimes indicate purity and the presence or absence of impurities.
  • Active Content (%): This indicates the percentage of the active fluorosurfactant molecule in the product. Higher active content often means a more concentrated and cost-effective solution per unit of performance. For many AFFF applications, active content around 27-30% is common.
  • Specific Gravity (at 25°C): This measurement indicates the density of the liquid relative to water. Values around 1.30 are typical for concentrated fluorosurfactants and are important for formulation calculations.
  • pH: The pH level indicates the acidity or alkalinity of the product. Amphoteric fluorosurfactants often have a neutral to slightly alkaline pH (e.g., pH 7-8), which is important for compatibility within foam formulations.
  • Surface Tension (0.1% solution): This is perhaps the most critical parameter. It measures how effectively the surfactant reduces the surface tension of water. For effective film-forming, values below 20 dyne/cm, often in the range of 18-19.5 dyne/cm, are highly desirable for AFFF applications.
  • CAS Number: The Chemical Abstracts Service (CAS) number, such as 34455-29-3 for many amphoteric fluorosurfactants, uniquely identifies the chemical substance.
  • Formula: While the exact molecular formula might be proprietary (listed as 'Trade Secret'), understanding the general class (e.g., amphoteric fluorosurfactant) is key.

Why These Specifications Matter for AFFF

Each specification plays a vital role in the overall performance of the firefighting foam:

  • Film Formation: Low surface tension (high surface tension reduction) is directly responsible for the rapid spreading and film formation over flammable liquids.
  • Foam Stability: Correct active content and pH contribute to the robustness and longevity of the foam blanket.
  • Formulation Precision: Specific gravity and active content are essential for accurate dosage and blending with other foam concentrate components.
  • Environmental Considerations: While not always a primary specification, understanding the C-chain length (e.g., C6) is crucial for regulatory compliance and environmental impact assessment.

Reliable Sourcing from NINGBO INNO PHARMCHEM CO.,LTD.

As a dedicated supplier of amphoteric fluorosurfactants in China, NINGBO INNO PHARMCHEM CO.,LTD. provides products with meticulously controlled specifications. We understand the critical nature of these additives for firefighting applications and ensure that our products meet the demanding requirements of AFFF formulators.

When you need to buy AFFF additives, ensuring you source from a manufacturer that provides clear, accurate technical data is paramount. We invite you to request a quote for our amphoteric fluorosurfactant and review our comprehensive technical documentation. Our commitment is to empower your formulation process with high-quality, well-specified chemical ingredients, ensuring the efficacy and reliability of your firefighting products.