The Electrical Insulation Association UK

A Forum in which member companies can exchange views on matters of mutual interest



Marion Street, Birkenhead, Merseyside, CH41 6LT

Tel:  +44 (0) 151 647 3322



AEV Ltd manufactures insulating varnishes, resins and compounds for supply to the electrical and electronics industries world-wide. With strategically placed operations in the U.K, Spain and Malaysia, the range can be supplied to most export markets including the 75 already serviced.

Attwater Group

Hopwood Street, Preston, Lancashire PR1 1UN

Tel: +44 (0)1772 258245



Leading UK manufacturer and machinist of engineering composites sheet, tube and rod. Bespoke manufacture and CNC machining of high performance composites. Sectors supplied include aerospace, automotive, railways, marine,  electrical equipment, petrochemical, nuclear and engineering.

Bastion  Glassfibre Rod & Sections Ltd

12 Harvey Close, Crowther Industrial Estate, District 3, Washington, Tyne & Wear  NE38 0AB

Tel: +44 (0) 191 416 6394

e-mail :

Website :Bastion Glassfibre Ltd (

Bastion is the leader in pultrusion of epoxy bonded glassfibre reinforced rods and sections.  We manufacture a unique series of tie rods and silicone rubber covered insulators with crimped metallic end fittings.  Used within the switchgear and railway electrification industries.

Cable Tapes (UK) Ltd.

New St Marks Works, New Marks Lane, Manchester, M7 4FE

Telephone  0161 740 9503


Website :

We provide a single source for all cable-lapping tapes to the UK and European cable industry.   Our core products are mica tapes and mica taped conductor, polyester tapes, aluminium laminates, woven glass tapes and a full portfolio of film, foil laminate, metal and water blocking tape products. Mica sheets and bespoke punched parts are also available. We have 8 new vertical taping machines, and can offer a fast turnaround taped conductor service.  We pride ourselves on providing the highest level of industry knowledge, customer service along with excellent value for money.

Calder Coating Ltd

A84 Red Scar Business Park, Longridge Road, Preston, Lancs, PR2  5ND

Telephone  01772 429190


Calder Coating offers contract coating

(sometimes referred to as “toll coating” or “custom coating”) and development services specializing in the precise application of water-based and solvent-borne liquid coatings onto flexible substrates in roll form for a wide range of industrial, medical and other materials applications.

Our production equipment and trained staff provide bespoke coating and laminating to meet your quality and volume requirements in an organised and clean environment with confidentiality assured. We strive to provide a cost-effective service with timely turnaround.

We make no products of our own.

We welcome potential business from those requiring modest or large volumes, those simply seeking alternative supply, or for the comfort of disaster-recovery, those creating new developments, or research into new materials. We work to develop close business relations be they for short or long term. You choose.

Croylek Limited

23 Ullswater Crescent, Coulsdon, Surrey, UK  CR5 2UY  

Tel: +44 (0)20 8668 1481


Supplier of a wide range of electrical insulation materials, cables and harnessing products used in all electrical industries as well as automotive and transport systems. The range includes sleevings, tapes, expandable braids, laminates, rigids, and flexibles, high temperature cables, varnishes, and silicones, many of these carrying UL and other approvals.


UK SalesBYK Additives Ltd, Moorfield Road, Widnes, WA8 3AA

Tel: +44 151 495 9967

Mobile +44 7785 223 714

e-mail :

website :

ELANTAS Europe is a leading manufacturer of insulating materials for the electrical and electronics industry with the broadest product portfolio based on chemistry and applications. Our product portfolio includes wire enamels, impregnating resins and varnishes, casting and potting resins, electronic coatings, adhesives and flexible electrical insulation materials.

Esspee Fabrications Ltd

Merton Bank Road, St Helens, Merseyside, UK, WA9 1DZ
Tel: +44 (0)1744 28304

Esspee manufactures a wide range of composite and insulation materials which are supplied into the electrical, medical, general engineering and rail industries. These include materials for electrical insulation used in switchgear equipment, engineering and thermo plastics, and laminated composite bearings and wear pads for the general engineering and rail industries.

Holbourne Industrial Plastics Ltd

Units E3 & E4 Phoenix Works, Middlemore Lane West, Aldridge, West Midlands, WS9 8BG

Tel: 01922 745080

Fax: 01922 458938



ISO9001:2008 stockist and fabricator of electrical insulating materials, including thermoset laminates (SRBP/SRBF/Epoxy & Silicone Glass) and PGM, manufacturing our own laminated tubes (round square rectangular and angles) and also fabricated transformer bobbins.

An extensive range of thermoplastics, including acrylic, polycarbonate, nylon, acetal, PTFE & PEEK are also available either as stocked shapes or, machined components.

Krempel Ltd
(A Member of the Krempel Group)

Longridge, Preston PR3 3BS, UK
Tel: +44 (0)1772 783 011


Website: KREMPEL

Manufacturer of a wide range of electrical insulation materials for LV and HV rotating machines, transformers and cables as well as other specialist coil markets, including micapaper composites for resin rich and VPI technology, pre-pregs, sealing tapes, sleevings, woven tapes, bracing cords and conductive materials for complete insulation systems. 

Langtec Limited

1 Calder Court, Altham, Accrington,  BB5 5YB

Tel:  +44 (0)1282 772 544

e-mail :

Website :

Langtec are manufacturers and machinists of parallel and tapered tubular products in mica, epoxy, silicone, melamine, polyester, phenolic and carbon fibre.  With Shannonvale fibre tubes in Southern Ireland part of the Langtec group, tubes of up to 4 meters long can be supplied.  Quality approval ISO 9001.

M&I Materials Ltd.

Hibernia Way, Trafford Park, Manchester, M32 0ZD, UK

Telephone:  +44 (0) 161 864 5449


Website :

A product of M&I Materials, MIDEL is the world’s leading brand of ester-based dielectric fluids. MIDEL is chosen by utilities and transformer manufacturers because of its excellent performance track record and ability to minimise risk. Our synthetic ester MIDEL 7131, and natural esters MIDEL eN 1204 (rapeseed) and MIDEL eN 1215 (soybean), provide superior fire safety and greater environmental protection than conventional dielectric fluids.   They also deliver exceptional moisture tolerance which increases protection of cellulose insulation and potentially extends transformer life.  Call us or visit for more information.

Mekufa (UK) Ltd 

Permali Park, Bristol Road, Gloucester, GL1 5SR 

Tel:  +44 (0) 1452 520 850



Mekufa produces HV bushings and insulators up to 72.5kV, using SRBP and epoxy resin insulation, and the processes of paper winding, vacuum casting and pressure gelation. 

Bespoke products include traction cable terminations and air feed insulators up to 25kV, and trackside roof and wall bushings up to 52kV. Accredited to ISO 9001-2000.

PAR (Insulation and Wires) Ltd 

Foxwood Close, Foxwood Industrial Park, Chesterfield, Derbyshire S41 9RB

Tel:  +44 (0) 1246 261828



PAR is a specialist company providing products and systems for the manufacture and repair of electrical and electronic equipment in the power generation, power distribution, power transformation and power consumption industries.

Presspahn Ltd

Wharncliffe Works, Harrogate Road, Bradford, BD2 3TB

Tel : 01274 636333

e-mail :

Website :

Presspahn is a specialist engineering solutions provider who has built a reputation for supplying Electrical Insulation, Thermal Insulation, Mica Insulation materials and component parts to a wide range of industries. Leveraging modern manufacturing techniques we ensure our solutions are delivered using innovation, precision and consistency while at a cost and lead time to suit your requirements. We are confident that our passionate, specialist and helpful staff can find the right solution for you.

Röchling Engineering Plastics

Waterwells Business Park, Waterwells Drive, Quedgeley, Gloucester, UK, GL2 2AA

Tel:  +44 (0) 1452 727 900



With its worldwide subsidiaries, the Röchling Engineering Plastics Group is an international leader in the manufacture and machining of engineering plastics for the investment goods industry.   Our products include semi-finished components (sheets, rods, profiles) and, upon request, we can also provide you with machined finished components made from thermoplastics, fibre reinforced plastics, and laminated densified wood. 

Sleeve-It and Therm-It

36 Dollywaggon Way , South Rings , Bamber Bridge, Preston, Lancs, PR5 6EW

Tel:  +44 (0) 1254 694 733



Manufacturers of silicone products, firesleeve, high temperature electrical sleeving, woven glass tape, adhesive tapes and insulation kits.

3GK Ltd,

136 Bridge Street 


Wirral, CH41 1BD

Telephone : 0151 647 5380



3GK Ltd was established in 2007 as an offset of AEV Ltd for the distribution of their full varnish and resin range in the Middle East

3GK Ltd is also an established and experienced distributor world wide of electrical insulation materials and electric motor spares

3GK Ltd recently acquired ISOCOM Ltd which means they now offer a complete range of thermistors – thermal cuts out and heater tapes from stock

The complete range of what 3GK Ltd now offer is available in the New Big Blue Book

Tufnol Composites Ltd

Wellhead Lane, Perry Barr, Birmingham B42 2TB

Telephone: +44 (0) 121 356 9351 


Tufnol manufactures laminates, composites and prepreg materials which are used for components throughout engineering, especially in aerospace, rail transport, electrical equipment, offshore & marine, process machinery, safety equipment and top-end automotive applications.  Standard sheets and profiles, or finished components.   

UK Insulations Ltd

Syke Mill, Belthorn Road, Belthorn, Blackburn, Lanc, BB1 2NN 

Telephone : +44 (0) 1254 264499


Website :

Low-voltage insulation materials and ancillaries, including NomexÆ presspaper, board and NMN laminates, ElephantideÆ, LeatheroidÆ, PresspahnÆ, cotton and glass tapes, impregnated sleevings, ZyradÆ cables and a range of polyester, cellulose, polypropylene and other specialised films.  Extruded silicone sleevings and profiles and a bespoke converting service for customers’ own materials.

Universal Insulating Products Ltd

Unit 12, The Courtyard, Buntsford Drive,

Bromsgrove, Worcs, B60 3DJ

Telephone: 03300 240 520



Universal Insulating Products Ltd is a privately owned company who are specialists in supplying Insulating materials to the Electrical & Thermal industries. With over 20 years of experience, we have put together the most comprehensive range of materials available in the market today. 

We offer GP03, UPGM203 in Red, White or Grey. UPGM204 and 205 in White, High temperature polyester 220 C all products are available from 2mm to 120mm.  Epoxy Grades G10, G11 and FR4, also Threaded rods in a variety of materials to suit your application.  SRBP, SRBF and Pressboard for oil filled transformers. H Class profiles and also Tube products.  For thermal applications we can supply Mica sheet and tube, also high temperature insulation for platen and injection moulding tools and furnace applications.
Whatever your requirements, our goal is to offer the best quality and service at a competitive price.

Webster-Wilkinson Ltd

Halesfield 10, Telford, Shropshire, TF10 4QP

Tel :  01952 585701


Website :

Webster-Wilkinson supplies to global and home markets in the transmission and distribution sector. Core products include ceramic insulated bushings from 415 V up to 66 kV, resin bushings and stand-off insulators up to 36 kV along with an extensive range of high voltage/high current connectors, cable termination boxes and cubicles. 

Weidmann Whiteley Ltd

(A member of the WICOR group)

Pool-in-Wharfedale, Otley, West Yorkshire LS21 1RP

Tel:  +44 (0)113 202 7000



Manufacturer of electrical insulation products for HV power transformers, switchgear, cables, power capacitors, domestic appliances, fhp motors and general electrical equipment. Products include electrical insulating pressboards, laminates, presspapers, flexible laminates, HV/LV insulating systems, structures and components. Suppliers of transformer accessories, aramid boards papers, parts and  equipment.

Wire Electric Supplies Ltd

Stag Business Park, Donnington Wood, Telford, TF2 7NA

Tel: +44 (0) 1952 208730



WES was founded by Mark Robinson as Wire Electric Supplies Ltd  in 1990 with the sole objective of providing the best service, quality and product range to the electric coil winding industries. In a market place which is dynamic and constantly evolving, WES continues to set the standard in product development and service back-up, supplying our customers with the very best products that money can buy.