Solution antigel

Dyne peut vous aider à satisfaire aux exigences d'essai des antigels décrites dans la NFPA 25. Lorsque le type d'antigel n'est pas connu, nous pouvons aider à vérifier le type, y compris s'il est répertorié ou non. Veuillez noter que la contamination, une dilution extrême et le mélange de différents types d'antigel peuvent rendre difficile une détermination précise dans certains cas.

Why Antifreeze Solution Compliance Matters

Antifreeze solutions protect fire sprinkler systems in areas exposed to freezing temperatures, but factors such as dilution, leakage, contamination, evaporation, and improper maintenance can alter solution concentration over time. When concentrations fall outside acceptable limits, freeze protection and compliance with NFPA requirements may be compromised.

Antifreeze testing provides objective data on solution concentration and condition, helping determine whether corrective action is needed and supporting inspection, testing, maintenance, and compliance activities. Periodic testing can identify degradation or out-of-specification concentrations that may increase the risk of freezing, system impairment, or noncompliance, allowing organizations to make informed maintenance decisions and maintain confidence in system reliability.

Antifreeze Solution Testing Overview

NFPA 25 requires the testing of antifreeze solutions in fire sprinkler systems to verify that the concentration remains within acceptable limits and that the solution continues to provide the intended level of freeze protection. Testing is commonly performed as part of periodic inspection and maintenance programs, following system modifications or antifreeze replacement, or whenever questions arise regarding solution concentration, condition, or compliance.

These services are commonly used by building owners, facility managers, contractors, service providers, consultants, insurers, and other fire protection professionals responsible for the inspection, maintenance, and reliability of fire sprinkler systems utilizing antifreeze. Laboratory testing provides objective data that supports maintenance planning, compliance activities, and informed decision-making related to system performance and freeze protection.

Key Testing Capabilities Include:

Antifreeze concentration analysis to verify solution strength and confirm proper freeze protection.
Freeze point determination to identify the temperature at which the solution may begin to freeze and potentially impair system operation.
Compliance verification to support conformance with applicable NFPA requirements and manufacturer recommendations.
Evaluation of solution condition to identify dilution, contamination, or other conditions that may affect performance.
Actionable test reports that provide clear results and recommendations, helping system owners, contractors, and authorities having jurisdiction make informed maintenance and compliance decisions.

Free Antifreeze Sample Kits

Standard Turnaround: 5-business days

Expedited Testing Available: Contact us for pricing.

Quantity Needed

1 kit = One job with 1 to 2 samples

2 kits = Two jobs with 1 to 2 samples each

3 kits = Three jobs with 1 to 2 samples each

Applicable Testing

NFPA 25

Kit Includes

2 sample containers
Sample return form (online available and preferred)
Marker
UPS Ground return label (in the contiguous US)

Shipping Information

Ground shipping to you is included, as well as return labels (UPS/USPS) within the contiguous United States (limited free 1-way shipping to Alaska, Hawaii, Puerto Rico, and Canada; inquire for details). Expedited shipping is available at your cost.

Antifreeze Solution Testing Accreditations

Dyne is ISO 9001 Certified

Relevant Antifreeze Solution Standards and Test Methods

NFPA 25 Standard for the Inspection, Testing and Maintenance of Water-Based Fire Protection Systems (2026 Edition Section 5.3.4)

What types of samples are tested?

We test all types of antifreeze solution found in sprinkler systems. When the antifreeze type is not known, Dyne can help verify the type including whether or not it is listed. Note that contamination, extreme dilution, and mixing of antifreeze types can make accurate determination difficult in some cases.

When is Antifreeze Solution testing typically required?

Annually, toward the beginning of the heating season prior to the onset of freezing conditions, the antifreeze solution shall be tested.

How are test results delivered?

Test results are delivered via email within 5 business days or less from the receipt of the sample(s).

I have a firefighting foam sample kit. Can I use the same bottles to submit antifreeze solution samples?

Yes, although we do have Antifreeze sample kits we use the same sample bottles for both kits. We do have a separate paper or fillable form for each. The foam form is in the kit box and the antifreeze form can be found online.

Should I test my antifreeze before winter?

Yes, if a premix antifreeze solution is being used, it must be tested annually before the onset of freezing weather. Read the articles on our Resources page under Antifreeze for more information.

Who should I contact to get started?

You can contact Dyne Fire Protection Labs to discuss your testing needs.

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Why NFPA Global Solutions Antifreeze Solution Testing

Dyne Fire Protection Labs, an NFPA Global Solutions company, provides independent laboratory testing for antifreeze solutions used in fire sprinkler systems. With extensive experience in fire protection system testing and analysis, we deliver objective laboratory data that helps organizations verify antifreeze concentration, support compliance efforts, and make informed decisions regarding system maintenance and reliability.

Our testing services are designed to provide accurate, timely results that help identify potential issues before they impact system performance. Whether testing is performed as part of routine compliance activities, following system maintenance, or when concerns arise regarding solution condition, our laboratory provides the information needed to maintain confidence in freeze protection and fire sprinkler system readiness.

Testing Advantages:

Test reports in 5 business days or less, with rush turnaround options available.
Free antifreeze solution sample kits.
Free shipping within the contiguous United States (limited free one-way shipping to Alaska, Hawaii, Puerto Rico, and Canada; inquire for details).
Comprehensive reports with clear, actionable results.
Online access to test results and return forms.
Direct access to our quality technicians and customer service team for responsive support.

In addition to supporting routine inspection and maintenance programs, antifreeze solution testing can be used to verify corrective actions such as antifreeze replacement, system modifications, or concentration adjustments. Ongoing testing helps demonstrate that freeze protection remains effective over time and supports continued compliance with applicable NFPA requirements.

Additional Resources

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Antifreeze Testing

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Antifreeze Sample Tag

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Antifreeze Summary Sample

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Antifreeze Sample Report

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Sample of a Completed Antifreeze Return Form

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Antifreeze Sample Return Form

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Antifreeze Testing Explanation

Order Your Antifreeze Solution Kit

Request your free Antifreeze Solution sample kit and connect with our team to discuss your testing needs. We can help determine sample requirements, answer questions about the testing process, and provide guidance on submitting samples for evaluation. If you have questions, contact us at (800) 632-2304 or dyne.lab@nfpaglobal.com.

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