Delivering Fluid Sealing Solutions Since 1972

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Seals Supplier Aberdeen


The UK’s largest independent stockist, manufacturer, and distributor of Seals and Gaskets   Seals Supplier Aberdeen and Scotland. For 50 years M Barnwell Services has supplied specialist seals and gaskets to all industries in and around Aberdeenshire. Customers can count on us for next-day delivery, short lead times, and guidance on material selection for their sealing application. The experienced team […]

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PS-SEAL® Non-Standard lip materials

Garlock PS-SEAL® Non-Standard lip materials for dynamic applications For a number of years, Garlock’s Fluoroelastomer (FKM/FPM) PS-SEAL® Standard with a GYLON® Black lip is known for its industry-leading reliability when sealing critical applications. However, when the sealing requirement requires an alternative solution to an FKM, Garlock also created the PS-SEAL® Non-Standard. Generally, the Garlock PS-SEAL® Non-Standard seal can be easily […]

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PS-SEAL® Non-Standard lip configurations

Dynamic seals in conventional sizes with various lip configurations The Standard PS-SEAL® is a high-performance PTFE-based seal that serves a broad scope of demands. However, in some installations, the Standard PS-SEAL® may not have the desired effect. Therefore, to compensate Garlock developed the PS-SEAL® Non-Standard. The PS-SEAL® Non-Standard makes a variety of adaptations possible including installation areas that demand specific […]

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Sealing products for the Semiconductor Industry

Sealing products for the Semiconductor

Sealing products for the Semiconductor manufacturing industry M Barnwell Services offers an extensive range of Semiconductor Seals that can operate in deposition, etch, ash/strip, plasma, wet chemical and thermal processes. These products can be used within the semiconductor and related manufacturing industries: Logic and memory MEMS HBLED Power Devices Solar cells (crystalline, multi-crystalline, concentrator) Flat-panel display Optoelectronics LED/ OLED We […]

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Thermal Process

Semiconductor Manufacturing – Thermal Process The term ‘thermal process’ covers a broad scope of installations. These installation temperatures are usually higher than Plasma Processes and can go up to +300°C. In addition, thermal-based installations require not only sealing materials with a particular chemical resistance demands but also ones with good mechanical features and low compression set. Thermal Processes include: Atomic […]

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Seals For The World


The Sun Never Sets On A Barnwell Seal In August the M Barnwell Services Export department supplied a range of specialist O Rings to their 69th and most remote location – Ascension Island. Ascension Island is an isolated volcanic island, south of the Equator in the South Atlantic Ocean. It is about 1,000 miles from the coast of Africa and […]

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Wet Chemical Process

Semiconductor Manufacturing – Wet Chemical Process Electro or Electroless Chemical Deposition Despite the fact that this is a smaller division of the semiconductor chip manufacturing industry, it still plays a crucial role. Wet chemical processes are used in etching, cleaning, and other stages in chip manufacturing. Wafers can be cleaned and rinsed after the first wafer preparation. In this stage, […]

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Trade Names for Seal Materials

Trade Names for Materials

Trade Names for Materials Using trade names for seal materials is very popular in our division in order to define common materials. The chemical names can be quite difficult to remember and quote. Manufacturers and trade names occur for the chemical names containing the most typical compounds. The material’s chemical name is permanently retained (example: Tetrafluoroethylene-Propylene Copolymer). It is not, […]

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Precision Sealing Solutions

Precision Sealing Products for the Medical Industry M Barnwell Services is one of the UK’s largest stockist, manufacturer and distributors of Precision Sealing products for the Medical industry. For over 45 years our customers benefit from technical expertise and industry knowledge. Together with our manufacturing partners, we continue to develop industry-leading performance on all our products and deliver within short […]

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Oil Seal Failure Checklist

A guide to why your Oil Seal / Rotary Shaft Seal may fail The below Oil Seal Failure Checklist provides information about seals leakage to those involved in the application and maintenance of Rotary Shaft Seals. Identifying and correcting the cause of leakage will assist the trouble-free, efficient and extended operation. There are two parts an Oil Seal / Rotary […]

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