Case studies

"Calotherm has been great to work with. They have actively kept great communication up, always looking to understand our needs fully, and have actively explored lots of different methods to help grow and improve our offering to our customers. A pleasure to work with."

Liam Elder

"We purchase high quality cloths for cleaning crystal from Calotherm. The product quality is exceptional, and their customer service has always been excellent. Calotherm really do everything they can to support and communicate effectively with their customers."

Chris Blade
CEO at Cumbria Crystal

"We recently hired Calotherm to mass produce a bespoke automotive touchscreen cleaning cloth to promote our Motorfleet brand. Rob is a pleasure to work with and did a first class job in managing our important project. The outcome being a premium product, delivered to us inside a tight deadline exactly as promised. I highly recommend Rob for his professionalism and commitment to service, the Calotherm product speaks for itself."

Alistair Turner

"I have worked with Rob now on a few occasions in terms of supply and demand. He always goes that extra mile in getting you want you want. On time delivery and quality of items ordered are exceptional! Always so helpful. A true gentleman."

Victoria Charlton
Vision Engineering

"The term 'above-and beyond' is thrown around a lot when it comes to customer service. This came to my mind as I experienced the most amazing service I received from Lydia Joynt of Calotherm. THANK YOU, Lydia! You have epitomised the essence of going above and beyond what is required in delivering to your customer!"


Carrrington Wines
Calotherm - Fujifilm


Following vigorous testing and approval, Calotherm cloth and optics cleaning sprays were selected by Fujifilm’s technical team in London. Calotherm now supplies Fujifilm with branded cloths and sprays for product accessories and marketing. These same Calotherm cloths are used by technicians across their organisation – testament to their unrivalled quality and cleaning capabilities.

Clayton Glass

Clayton Glass lead the way as one of the UK’s largest, oldest and most innovative independent glass producers. Calotherm cloth is used to clean and detail the glass during the manufacturing process, ensuring the quality finish of every glazed panel that leaves the production line.

Calotherm - Clayton Glass
Calotherm - De Beers

De Beers

Founded in 1888, De Beers is the pioneer of diamond perfection – a brand renowned around the world for the finest diamond jewellery. Calotherm cloth has been specified by De Beers Group for its superior diamond cleaning qualities. Our bespoke diamond cleaning cloth is used to promote the De Beers and Forevermark brands. Due to its luxurious feel Calotherm cloth is also used to line bespoke jewellery boxes, and premium merchandise that carries the De Beers name.

MoD, NATO and defence

We are proud to support our armed forces with the very best optics and screen cleaning products available. During World War II, RAF pilots used the original Calotherm spray to stop their equipment from fogging up. Today, Calotherm cloths and sprays are specified by the UK Ministry of Defence, as well as defence forces around the world. The various products that we supply are allocated NATO part numbers, and used for cleaning intricate military, naval and air force optics, as well as rugged device display screens.

Calotherm - MOD, Nato and Defence
Calotherm - Royal Mint

The Royal Mint

The UK’s oldest company, The Royal Mint, is the world’s leading export mint. As a true icon of British craftsmanship, The Royal Mint has relied on our product quality for a number of years. Calotherm cloths are used for various applications during the manufacturing process, including cleaning viewing lenses and coin-striking tools, as well as polishing coins, bullions and jewellery before being packaged. For The Royal Mint, Calocloth is the cloth of choice, as it leaves products in a pristine, lint-free condition every time.

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Calotherm - Black Microfibre cloth