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Monday 8:30am - 5pm Tuesday 8:30am - 5pm Wednesday 8:30am - 5pm Thursday 8:30am - 5pm Friday 8:30am - 1pm

Torr Scientific Ltd

Name: Torr Scientific Ltd
Address: Bexhill, TN402RZ, GB
Telephone: +44 (0)1424 225228

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Torr Scientific Ltd

Specialists in Vacuum Optics and X-Ray & Electron-Optical Components. The company manufactures Vacuum Optics and X-ray & Electron-Optical (XEO) Components.

Torr Scientific Limited is an innovative company that brings together a unique range of expertise, skills and equipment from the worlds of thin film vacuum coating, vacuum instrumentation and electron-optics. Torr Scientific was established in 1998 and the employees of the company have many years of experience in the UHV and Electron-Optical industries. Products are manufactured in cleanroom condi

tions and facilities include vacuum furnaces, TIG welding, helium leak testing, e-beam and sputter coating systems. UV-Vis-NIR spectrophotometer, Interferometer, glassshop and machine shop.

05/01/2026

Happy new year to all! And the first change for 2026... is that we are moving to a new page!

This is the last post we will be sharing on this account, and we will be moving to Torr Scientific Limited

So, why are we moving?

The short answer is that we have had issues with accessing Facebook properly.

The consequence of this has been that we have been unable to post within community pages, edit posts as well as interact with customers, followers and the wider community!

What will the move to the new account mean for us?

It means we can be more involved and respond to your comments and messages!

Not only that but we can also engage more within the local community – to build connections with customers and businesses in the area, plus additionally we can promote job opportunities further afield than just our page!

If you would like to continue to support us – check out our new page and give us a follow!

Thank you for your support!

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01/01/2026

✨2026 is finally here! ✨

🎆 A very happy new year from everyone here at Torr Scientific!! 🎆

We will be back in the office at 8:30am on the 5th of January 2026, raring and ready to help you with your latest projects!

25/12/2025

🎄 Happy Christmas from everyone here at Torr Scientific! 🎄

The festive period is the perfect time to reflect on the last year, and we are thankful for all the support from our customers, partners and suppliers in 2025!

✨ As a reminder we are closed over the Christmas season, and we will be back in the office on the 5th of January 2026. ✨

See you then!

22/12/2025

As the Christmas break gets ever closer, everyone here at Torr Scientific would like to thank you all for your support and custom during 2025.

We will be closing over the winter break to celebrate the season and we will return in 2026 to assist with your latest projects!

Our last working day will be the 24th of December, where we will be shutting at midday, and we will then be reopening on the 5th of January 2026, at 8:30am.

We would also like to thank all our staff for their efforts this past year and hope you all enjoy some rest!

Have a happy lovely festive season!

18/12/2025

📢 The Torr Scientific December newsletter is out now!! 📢

Our last edition of the year is here to pack a punch, exploring two of our most unique non-standard projects of the year.

🔹 First the graphite coated chamber! This one was designed to be as dark as possible, while also providing some unexpected characteristics. 🌑

🔹 Next up is the Brewster window that isn’t a Brewster window! Diving into the science of the Brewster angle and how it works – exposing why this viewport isn’t the same! 📐

To get christmassy we have our annual winter wishes, and we also explored the science behind chimneys with a functional look into how they work!🎄

Last but not least, we give our report on all the best news from this year’s National Quantum Tech Showcase exhibition.

Check the full newsletter out here ➡️ https://fatmail.fatpromotions.com/t/d-1AD9E56930A515DA2540EF23F30FEDED ⬅️

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15/12/2025

We have explored the differences of the CF and KF fl**ge, now we are here to chat about the last of our standard fl**ges, the ISO fl**ge. 🪟

This was created by the International Organization for Standardization and designed to become their default fl**ge across the world. 🌍

We only offer ISO viewports in specific sizes as standard: in the ISO63, ISO100 and ISO160. This is why it is sometimes called the large ISO, as it isn’t available for the smaller options that a CF or KF can offer! 📏

There are two versions of the ISO fl**ge, the ISO‑F and ISO-K.

An ISO-F fl**ge is similar to the CF fl**ge. It is bolted and “sexless” which means that both sides are the same, but it differs as it uses an O-ring and a centring ring opposed to the copper gasket from a CF fl**ge. While it is sexless, it is important to pay attention to which holes are tapped. 🔩

In comparison, the ISO-K is more similar to the KF fl**ge, using an O-ring with a centring ring as well. However, this uses a claw clamp unlike the circular clamp of the KF. 🗜️

If you would like to learn more about the viewports we can offer with an ISO fl**ge, check out our website: 🔗 https://torrscientific.co.uk/viewports/ 🔗

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11/12/2025

🎄 Today, Thursday the 11th of December is Christmas Jumper Day! 🎄

Each year we all dress up in our most Christmassy outfits to raise money for a fantastic charity, Save the Children. 🫶

You can donate using the QR code in the photo, or through this link: https://donate.justgiving.com/fundraising/cjd250007159/donation-amount

Save the Children ensure that children in the UK and around the world have access to shelter, food, education and medical attention. 🩺

Not only that but they also work tirelessly to help with maternal health, reuniting families, and campaigning to change the policies holding back children.

You can get involved and learn more about the celebrations on their website: https://www.savethechildren.org.uk/christmas-jumper-day

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04/12/2025

Over the last few weeks, we have been sharing all the hermetic glass-to-metal sealing methods we offer for our products! The final one to discuss is induction sealing, which is only available for our Kodial (borosilicate) viewports. 🪟

We heat a Kovar “weld ring” using an inductor coil. This generates a magnetic field, which induces a current within the weld ring, causing it to heat up. 🌡️

The heated weld ring is applied to the optic; this melts the edges of the optic and fuses it to the weld ring.

This allows for an even heating, and results in a uniform and balanced seal. ⚖️

Something to note, is that the heating process causes distortion in the optic, which means it will impact the flatness.

However, due to the maintained parallelism, the impact does not dramatically change the transmitted wavefront error (TWE). 💡

Induction heating works well as a sealing technique, due to Kovar having a very similar thermal expansion coefficient to borosilicate glass.

This means that both materials will expand and contract to different temperatures in a very similar way! ♨️

If you would like to learn more about glass-to-metal seals, check out our webpage: https://torrscientific.co.uk/glass-metal-seals-glass-working/

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01/12/2025

Welcome back to our hermetic sealing series! Today, we are exploring a non-standard option called indium sealing!

This technique is available with our fused silica products, including viewports and magneto-optical traps! It utilises the qualities of indium in the form of a thin wire to create the seal between the optic and the assembly. 🪟

These qualities include its softness and compressibility, which are useful for being moulded into a hermetic seal! Additionally, it does not become brittle when cooled! ❄️

Indium sealing is becoming a popular option, due to its capability to produce a viewport that can reach ultra-high vacuum levels, while not causing the distortion in optics that you would see with a brazed viewport. ⚠️

This means it can maintain its original transmitted wavefront error and flatness ratings before and after sealing!

However, an important consideration for these type sealing is the low melting point of indium. Due to this, our indium wire sealed products have a maximum bakeout temperature of 120 °C. 🌡️

To learn more about indium as well as how we can use it here at Torr Scientific, check out our blog post all about it: https://torrscientific.co.uk/indium-sealed-windows/

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27/11/2025

🍂 We would like to wish a very happy Thanksgiving to all our America customers, suppliers and followers! 🍂

We are always thankful to be of service and learn more about the projects going on across the pond!

Wishing you all a very restful holiday with the people who matter most!

24/11/2025

Last week we did our deep dive into the CF fl**ge, but we also offer two more fl**ges as standard. The first alternative we will explore is the KF fl**ge!

While the full name has fallen out of fashion, KF is short for “klein flansche” which means “small fl**ges” in German. 🤏

This type of fl**ge doesn’t use a knife edge with a copper gasket (as the CF fl**ge does), instead the KF fl**ge uses a tapered circular clamp with a rubber O-ring to create the hermetic seal. 🗜️

However, O-rings do work similarly to the copper gasket, where the O-ring is displaced to fill in any gaps between the fl**ge and the port. This is supported by what is called a centring ring, which provides structure to the seal. It is often considered to be more user-friendly than the CF fl**ge which has very specific torque requirements when bolting. 🔩

The KF fl**ge has a few different names that are often used, for example the “quick release” (QF) fl**ge, NW or ISO-KF. It is also described as a “sexless” fl**ge as both sides of the seal are identical.

As per its name, this “small fl**ge” is only available in sizes KF16 up to KF50!

Next week we will explore the final standard fl**ge we offer called the ISO fl**ge.

If you would like to learn more about the viewports we can offer with a KF fl**ge, check out our website: https://torrscientific.co.uk/viewports/

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20/11/2025

Last week in our hermetic sealing series we discussed one method called bonding, this time let’s explore brazing! 🌡️

Brazing is the most common sealing technique we use here at Torr; it provides a higher maximum bakeout temperature than bonding and indium sealing, as well as being able to reach a higher level of vacuum. 📈

This can be used for both our vacuum viewports and our X-ray anodes, but the methodology is slightly different.

🔹 For the X-ray anodes, we use a process called “capillary action” to flow molten metal between each section of anode.

🔹 However, for vacuum viewports it is a slower process with a higher viscosity braze.

The main downside of brazing for viewports is the reduction of the flatness, it impacts the parallelism of the optic which doesn’t necessarily impact the transmitted wavefront error (TWE) but it will change the flatness of the optic. 🪟

Brazing is effective and efficient, durable enough for use within harsh environments including for aerospace applications. 🛰️

Many of our most popular viewports are available with a brazed seal, including our fused silica, CVD diamond and sapphire. 💎

To learn more, you can contact our sales team via [email protected] 📨

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Address

Bexhill
TN402RZ

Opening Hours

Monday	8:30am - 5pm
Tuesday	8:30am - 5pm
Wednesday	8:30am - 5pm
Thursday	8:30am - 5pm
Friday	8:30am - 1pm

Telephone

+44 (0)1424 225228

Website

http://www.torrscientific.co.uk/

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