• Formulated for and approved by British Gas

    Over 30 years Expertise in Gas Leak Detection

    You will find no better product on the market to detect gas leaks than our Allens Leak Detector Fluid. Approved and recommended by British Gas, for whom it was originally developed in 1972, it is used widely by infrastructure service companies including a number of blue chip multinationals. Gas engineers frequently report it to be one of the best products for detecting leaks they have ever used.

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  • Specialising in eco-friendly soap-based products

    90 years of Soap Making Expertise

    Traditional products with excellent environmental credentials – made from sustainable sources and fully biodegradable. Meeting a number of standards, our high quality soft soaps have wide application from personal care and pharmaceutical use to industrial additives, mortar admixtures and lubricants.

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  • Keenly priced high performance products

    30 years of Manufacturing Expertise in Dairy Hygiene

    It’s hard to go wrong with Delf’s range of high performance dairy farm cleaning and sanitising products. Meeting the requirements of the modern dairy farmer, they are reliable, easy to use and offer superb value for money. Farmers can use our range with confidence.

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  • Always here to help!

    Friendly, Efficient, Customer Focused

    Working with Delf is easy and straightforward. Customers enjoy our friendliness and appreciate our speedy response in helping to fulfill their business needs across the world.

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  • Contract manufacturing services from Delf UK

    The first choice for Contract Manufacture

    If you want a liquid blend or a soap based product manufacturing to recognised standards, then come and talk to us. Delf can assist you every step of the way, from sourcing your raw materials to providing formulatory advice and developing manufacturing methods where necessary.

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  • ISO 9001 approved manufacturer of quality chemicals

    90 years of Chemical Manufacturing Expertise

    Delf reinforces over 90 years of chemical manufacturing expertise with technical strength, and achieves a unique customer focus. This enables customers’ needs not only to be met efficiently and effectively but, by going that extra mile, assists you in staying ahead in your business.

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Welcome to DELF Manufacturers & Suppliers of Quality Chemicals

At Delf we are passionate about our business and take great pride in the diverse range of Potassium Soft Soaps, Speciality Chemicals including Leak Detection products, Dairy Hygiene and Janitorial products that we manufacture and supply to both UK and overseas markets.

Delf reinforces over 90 years of chemical manufacturing expertise with technical strength, and achieves a unique customer focus. This enables customers’ needs not only to be met efficiently and effectively but, by going that extra mile, assists you in staying ahead in your business.

You can become a Delf customer simply by placing an order and paying by cash or business cheque on a proforma invoice on or before delivery.

If you have a question and would rather talk to us on the phone, call:

+44 151 630 0405

Lines open:
Mon - Thurs 9am-4.30pm
Fri 9am-12 noon

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