Industrial Explosion Hazards Testing

Sigma-HSE Delivers Accredited Combustible Dust Data, in 7-10 Days

Need combustible dust data, and need it fast? Sigma-HSE's industrial explosion hazards laboratory can provide you with this data in 7-10 days. We'll ensure compliance, keep your business safe from fire and explosion risk and save you from costly downtime, regulatory fines, and rising insurance premiums.

Meet Sigma-HSE, your dust testing partner of choice:

  • Our approach ensures that you receive accurate, reproducible and legally defensible data. Your materials will be tested under our ISO 17025 accredited Quality Management System.
  • Our dust testing lab focuses on maximising business efficiency by getting your data to you within 7-10 working days.
  • Our team will issue a bespoke quote in days. We know that long lead times aren’t sustainable for you, your project, or your business. Get in touch and we’ll aim to get back to you within 24 hours.
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91% Rated Excellent Turnaround

90% Rated Excellent Response to Contact

83% Rated Excellent for Report Content

Start your combustible dust tetsing journey with a Free Quote and a 10% introductory discount*.

Fill out the form below and we’ll be back in touch within 24 hours.

*T&C’s Apply. 10% discount is valid for new businesses only. Sigma-HSE needs the contact information you provide to us to contact you about our products and services. You may unsubscribe from these communications at any time. By continuing, you agree to Sigma-HSE’s Terms & Conditions and Privacy Policy.

Why Choose Sigma-HSE for Your Combustible Dust Testing?

Sigma-HSE provides combustible dust testing solutions to a variety of industries across the UK. Our laboratory team will guide you through our range of tests and subsequent data to ensure that you meet your process safety goals.

Trusted by Over +1000 Businesses

ISO 17025 Dust & Powder Testing: Our labs can support you with specialised testing to enhance your risk evaluation.

Regulatory Confidence: We’ll provide evergreen documentation and guidance to satisfy inspectors and insurance requirements.

‘Basis of Safety’ Support: Our experts can recommend or design a suitable ‘Basis of Safety’ for your processes.

Transparent Pricing: We take the time to understand your process and will only recommend the tests you actually need.

Experienced Process Safety Consultants: Our engineers and technical consultants deliver accurate, actionable assessments.

International Standards: Whether you need a Dust Hazard Analysis or a DSEAR/ATEX, we can test to BS, EN, ISO, ASTM or NFPA.

Workplace accidents don’t wait. Start your dust testing journey today and have peace of mind that your business, people and the environment are safe from fire and explosion risk. 

Start Your Combustible Dust Testing Journey Today

Sigma-HSE Will Guide You From Hazard
to Harmony In A Few Simple Steps

Obtaining and integrating accredited combustible dust testing data into your process has never been so easy.

Step 1. Contact Us

After you've submitted a form, a member of our team will reach out.

Step 2. Technical Call

We'll ask for a few details and, if necessary, arrange to have a technical discussion.

Step 3. Quote

We'll generate a fully bespoke dust testing quote. If accepted, we'll start testing as soon as we recieve your materials.

Discover Our Range Combustible Dust Tests

Our team of experts are committed to ensuring that your dusts will not generate fires or explosions. Sigma-HSE is your partner of choice for maintaining a safer working environment.

Dust Combustibility (Group A/B)

BS EN ISO IEC 80079-20-2
ISO/IEC:17025 Accredited
Test conducted to assess whether dust will form a flammable atmosphere or support flame propagation when dispersed as a dust cloud in the open air.
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Minimum Ignition Energy (MIE)

BS EN ISO IEC 80079-20-2
ISO/IEC:17025 Accredited
Test conducted to determine the lowest spark energy that can ignite dust when dispersed in the air as a dust cloud.
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Minimum Ignition Temperature (MIT)

BS EN ISO IEC 80079-20-2
ISO/IEC:17025 Accredited
Test conducted to determine the lowest temperature at which a hot surface area will ignite combustible dust when dispersed in air.
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Layer Ignition Temperature (LIT)

BS EN ISO IEC 80079-20-2
ISO/IEC:17025 Accredited
Test conducted to determine the lowest temperature at which a hot surface will ignite a combustible dust when settled as a dust layer.
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Explosion Severity Test (Pmax/KST) ST Classification

BS EN ISO IEC 80079-20-2
ISO/IEC:17025 Accredited
Test conducted to determine the maximum pressure (Pmax), maximum rate of pressure rise (dP/dt)max and the dust constant Kst value of an ignited dust cloud.
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Minimum Explosible Concentration (MEC)

BS EN 14034 part 3
ISO/IEC:17025 Accredited
Test is conducted to determine the minimum quantity of combustible dust dispersed in the air, as a cloud that will form a flammable atmosphere.
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Limiting Oxygen Concentration (LOC)

BS EN 14034 part 4
ISO/IEC:17025 Accredited
Test determines the minimum quantity of oxygen that would enable combustible dust in air to ignite when in contact with an ignition source.
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Burning Behaviour

VDI 2263 and BS EN 17077
Test is conducted to assess the behaviour (severity) of combustion propagation through a material deposit when ignited by an external ignition source.
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Straightforward Quotes. Predictable Timelines.

We provide fast, tailored quotations based on your material and test requirements, so you get exactly what you need, without delays or unnecessary scope.
Request Type
What We Need
Quote Turnaround
Testing Lead Time
Single test (e.g. MIE, MEC)
Test type + sample type
≤24 hours
7–10 working days
Multi-test package
List of tests + material details
24–48 hours
7–10 working days
Full Basis of Safety Programme
Process overview + objectives
1–3 working days
7–10 working days
Complex / non-standard materials and/or processes
Material data + use case
2–3 working days
7–10 working days
Not sure which tests you need? Our team can recommend the right approach based on your process and material.

Don't take us at our word.

Our combustible dust testing lab has helped over 1000+ businesses, find out what some of them have said.
Life Sciences

“Our Site was inexperienced with testing particulate matter for potential combustibility, the guidance received from Gavin was excellent.”

20/09/2024

Machinery Manufacturing

“I appreciate the professionalism and quality we have received from first contact to report issuing. The fast turnround times are distinguishing you from your competition.”

10/11/2023

Aerospace

“I can’t praise your team or company enough. Nothing was too difficult or a problem. Thank you again for all your work and help, I would definitely use you again.”

26/03/2021

General Manufacturing

“The team was very helpful in discussing and defining the testing needed. The quote was turned around quickly and allowed for flexibility to use an intermediary. The turnaround time for testing was of the first samples provided was exemplary. The reported results were very clear. I look forward to continuing to use Sigma-HSE for future testing.”

15/02/2023

Textiles

“We were positively surprised by the speed of the service.”

03/10/2023

Chemical Manufacturer

“I would like to highlight the prompt and professional response to our enquiry, the quick turnaround time for the tests and report and the constant communication throughout the process.”

03/03/2021

Oil & Gas 

“Excellent service – clear quotation, helpful discussion regarding samples on delivery and rapid turn-round. Many thanks.”

21/11/2020

Energy 
“I was really impressed how you kept me informed of progress throughout the work. Dina was great at advising me what tests could be done and assisted me in getting quotes for the work. Bailey contacted me to let me know the samples were booked in and testing was due to start. Gavin called up to advise and agree on sample prep methods before conducting the tests. The report was very clear and explained all the tests which was useful to me as I’m not familiar with it. Thank you for a quick turnaround time.”

03/10/2023

Consumer Goods

“Thanks for such a fast turnaround on the sample testing.”

27/01/2021

Agrochemicals & Pesticides

“Under the very strict deadline set by the authority to submit the data, Sigma-HSE UK were very helpful in explaining the test procedure to meet the data requirements of the test guidance, as well as very responsive to ensure the undertaking of the test and reporting so to meet the very short timeframe set.”

15/12/2024

Process Consultants

“Thank you Gavin for the quick turnaround. The advice you provided regarding testing approaches was very insightful and allowed us to determine the appropriate method for our client.”

15/12/2023

Oil & Gas 

“Excellent service – clear Quotation, helpful discussion regarding samples on delivery and rapid turn-round. Many thanks.”

12/01/2024

Transportation

“First class service with regular updates.”

27/10/2023

Aerospace

“I can’t praise your team or company enough. Nothing was too difficult or a problem. Thank you again for all your work and help, I would definitely use you again.”

01/09/2022

General Manufacturing

“Every aspect of this job was speedy and done very professionally, we will certainly use again if required.”

23/02/2022

Animal Products

“Thank you for a great service as always.”

04/06/2024

Animal Products

“Thank you for a great service as always.”

04/06/2024

Animal Products

“Thank you for a great service as always.”

04/06/2024

Material Enginners

“Turnaround and knowledge of the lab and report are excellent.”

11/09/2024

Consumer Goods

“Overall great service, very happy. Gavin answered all my questions and was very helpful.”

21/07/2021

  • Frequently asked questions

    Unlike generic safety consultants, we specialise solely in fire and explosion safety. With UK-wide coverage, rapid turnaround on quotes, and engineers trusted by regulators, we deliver assessments that not only achieve compliance but also protect your people, reputation, and bottom line.

    Our standard turnaround is 7–10 working days after sample receipt. For urgent projects, expedited testing is available on request.

    Yes. All dust testing is performed in an ISO/IEC 17025 accredited laboratory. The results are reproducible and hold up under audits, regulatory review, or insurance claims.

    Once you contact us, we’ll advise you on the correct sample mass, packaging, and shipping method. After we receive your sample, testing begins immediately.

    Absolutely. Our team can help you apply your dust test results into a Basis of Safety, choose appropriate mitigation systems, and support DSEAR Compliance & ATEX Conformity.

    imply fill out the contact form at the top of the page or call us. We’ll schedule a technical consultation, help you prepare samples, and issue a quote within days.

    Accidents don't wait. Test, analyse and integrate combustible dust data into your process projects with Sigma-HSE.

    Combustible dust testing is an important aspect of fire and explosion safety compliance. Learn more about how we can help you to define your dusts explosivity and ignition sensitivity, so you can prevent fire and explosions, and fine tune your process specifications
    Request a Free Combustibility Quote
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