Common PFAS Chemicals
Chemistry of Common PFAS Chemicals The term PFAS (per- and polyfluoroalkyl substances) refers to a vast and diverse family of man-made chemicals that share a defining characteristic: carbon atoms where most or all of the carbon bonding sites are strongly attached to fluorine atoms. It’s this unique carbon-fluorine bond that gives PFAS their exceptional stability and resistance to heat, water, […]
Read MoreAre PFAS harmful?
Are PFAS and Forever Chemicals harmful? The widespread presence of PFAS (per- and polyfluoroalkyl substances) has become a significant environmental and public health concern. Because of their remarkable durability and varied uses in modern society, prevalence in industrial processes and consumer products, these “Forever Chemicals” are now being detected across numerous environments, highlighting just how widespread they have become. While […]
Read MoreThe Benefits of Custom Seals
Custom Seals – The ultimate guide & CNC Machining When choosing the correct sealing solution for the application/industry, custom seals offer a range of fantastic benefits. Whilst standard seals serve a purpose for common applications, custom seals should be considered when precision, reliability, longevity and optimal performance in challenging environments are crucial to their operations and overall success. If you […]
Read MoreHappy Retirement! Phil Hall retires
After a combined 20+ incredible years with Barnwell, we bid a fond farewell and wish a very happy retirement to Phil Hall, Manager of our Manchester branch. Phil has been a core member of the Barnwell team. From leading his team with his knowledge, guidance and hands-on experience to his ability to build and nurture customer relationships which have made a […]
Read MoreA Guide to Viton™
Viton™ – An Overview Guide This guide to Viton™ provides an overview of its history, common applications, and why it is often chosen for fluid sealing solutions. Please note that Viton™ is a registered trademark of The Chemours Company FC, LLC, and M Barnwell Services is not the manufacturer of Viton™ products. For more detailed information, we recommend visiting the […]
Read MoreEaster Competition Winners 2025
Easter Egg Letter Hunt – Winners Announced We would like to say a massive THANK YOU to everyone who participated in this years Easter Competition. We can reveal the answer was: We are happy to announce the winners are: 1st prize Cadbury Ultimate Easter Egg Chocolate Basket Collection – Michael from Suffolk 2nd prize Cadbury Gifts Deluxe Easter Chocolate Hamper […]
Read MoreASME Standards, Codes & Certifications
1. What is ASME? ASME (American Society of Mechanical Engineers) is a professional organisation that develops engineering standards, codes and best practices for many different industries. These standards are recognised around the world and ensure safety, reliability and efficiency in engineering applications. 2. ASME Standards, Codes and Certifications ASME has created approximately 600 codes and standards covering many technical areas, […]
Read MoreChristmas Competition Winner 2024
We Have A Winner!! The M Barnwell Services 2024 Christmas competition was won by… Sandy from Stirlingshire! We would like to express our sincere gratitude to everyone who participated in our annual free-to-enter Christmas Competition, ‘Find a Santa – WIN a Hamper.’ The Christmas Competition continues its successful streak, with more than 400 entries received for the eighth consecutive year. […]
Read MoreBSP & BSPT: The Differences
What are BSP & BSPT Threads? Here we will guide you in understanding the what the differences are between BSP Threads and BSPT Threads. BSP (British Standard Pipe) and BSPT (British Standard Pipe Tapered) are types of pipe thread standards used primarily for plumbing and pipe fittings, especially in the UK and countries that follow British Standards (BS). The main […]
Read MoreStorage & Shelf Life
Storage & Shelf Life Of An Elastomer – Guide Lines How to calculate the expiration date of an Elastomer? The elastomer industry uses the old Military specifications and preset SAE Aerospace references to determine rubber and O ring shelf life. It is calculated in quarter-year units submitted as 1Q21, which means the first quarter for the year 2021. As the […]
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