Non-Destructive Testing (NDT) - Raybloc Xray Protection

Non-Destructive Testing (NDT): Radiographic Testing with X-rays

What is Radiographic Testing and Non-Destructive Testing (NDT)?

Radiographic testing is a widely used non-destructive testing (NDT) method that allows professionals to inspect the internal structures of various materials without causing any damage to them. In NDT, radiograph testing plays a crucial role in assessing the integrity of critical components, detecting flaws, cracks, or defects, and ensuring the safety and reliability of a wide range of industrial applications. It involves using X-rays or gamma rays, generated by an X-ray tube, to penetrate the material being tested. The resulting image reveals any internal irregularities, providing valuable insights into its quality and potential weaknesses.

With the rapid pace of new innovation and technology, the nondestructive testing industry has never been more critical to today’s industry. Manufacturers, assembly, aerospace, automotive, oil and gas, and many other sectors rely on NDT to ensure the quality of their products and assets. As technological advancements lead to more sophisticated machinery and components, there is a growing need for reliable radiation shielding solutions to comply with safety regulations. Raybloc (X-Ray Protection) Ltd proudly addresses this demand as a trusted supplier, installer, and provider of technical information to NDT companies worldwide.

With the rapid pace of new innovation and technology the non-destructive testing industry has never been more critical to today’s industry.

With improvements in the testing machinery comes increased levels of radiation that must be shielded to regulations. Raybloc are proud suppliers, installers, and providers of technical information to NDT companies across the world.

Working with RPAs and their requirements, Raybloc not only supply radiation protection but take care of all the construction and design side for any specialist application.

Need more information? Then feel free to call one of our technicians 01902 633383 or email

Advantages of Radiographic Testing

Radiographic testing offers numerous advantages that make it indispensable in the NDT industry. Firstly, it allows for the inspection of internal structures, which might not be visible from the outside. This ability to assess both surface and subsurface defects ensures a comprehensive evaluation of the material’s integrity.

Secondly, radiographic tests are non-destructive, meaning it does not alter or harm the material being inspected, making it an ideal method for assessing critical components without compromising their functionality. Additionally, radiograph testing can be used on a wide range of materials, from metals and composites to ceramics and plastics, making it a versatile technique in various industries.

Applications of Radiographic Testing

The applications of Radiographic Testing are extensive and diverse across industries. In aerospace, it is used to inspect aircraft components, such as turbine blades and composite structures, to detect any internal flaws that could compromise flight safety.

In the manufacturing sector, radiography is employed to assess welds, castings, and forgings, ensuring they meet stringent quality standards. In the oil and gas industry, it plays a vital role in inspecting pipelines and pressure vessels for corrosion and defects. Additionally, radiography is valuable in the medical field for diagnostic purposes, enabling the visualisation of internal body structures.

X-Ray Inspection for Nondestructive Testing

X-Ray Inspection is a common method within the realm of nondestructive testing. It involves using X-rays to create images of an object’s internal structures, allowing inspectors to identify defects or irregularities.

X-ray machines, when used in NDT, are carefully designed and shielded to ensure that radiation exposure is minimised, providing a safe working environment for operators while delivering accurate and reliable results. Raybloc specialises in providing radiation shielding solutions for X-ray inspection setups, ensuring the safety of personnel involved in the testing process.

What are the Different Types of Radiographic Testing NDT?

Film Radiography

Film Radiography is one of the earliest and most traditional methods of RT. It involves placing X-ray film or other types of imaging plates behind the test object and then exposing it to X-rays. The film is later developed, producing a visible image of the internal structures. Despite the advent of digital technologies, Film Radiography remains widely used in certain applications due to its simplicity and cost-effectiveness.

Real-Time Radiography (RTR)

Real-Time Radiography, also known as X-ray fluoroscopy, is a dynamic form of RT that provides real-time imaging of the object being inspected. It utilises a digital detector to display the X-ray image on a screen in real-time, allowing inspectors to observe the material’s internal condition as it is being examined. RTR is particularly valuable when inspecting moving parts or during in-service inspections of operational machinery.

Computed Tomography (CT)

Computed Tomography (CT) is an advanced form of radiographic testing that creates cross-sectional images of the test object. It involves rotating the object while multiple X-ray images are captured from different angles. These images are then reconstructed using computer algorithms to create a 3D model, providing a detailed and comprehensive view of the internal structures. CT is especially useful for complex components and critical applications where precise measurements and flaw detection are crucial.

Digital Radiography (DR)

Digital Radiography (DR) is a modern radiographic testing technique that replaces conventional film with digital imaging sensors. DR systems produce high-quality images in a shorter time frame, enabling faster inspection processes and immediate access to the results. Digital images can be easily stored, shared, and analysed, enhancing the efficiency and accuracy of NDT inspections.

Computed Radiography (CR)

Computed Radiography (CR) is another digital imaging method that utilises imaging plates, similar to traditional film radiography. These imaging plates capture X-ray images, which are then scanned and converted into digital format for analysis. CR offers advantages over film-based methods, such as easier data management and the ability to apply digital enhancement techniques for better defect detection.

computer tomography

Why Choose Raybloc For Radiation Protection Product

Right First Time Every Time

We understand the importance of getting the right product suited for the application, especially where high-energy radiation is involved. We take stringent measures to make certain that you get the correct products exactly when you need them.

Sourced from the Best on the Market

We use only the highest quality materials available to withstand the weight of a lead core whilst remaining sustainable and exceeding NHS HTM standards for a long-lasting, durable finished product.

Implementers of Expert Advice

Working alongside RPAs, hospitals, universities, and architects to bring new research and innovations to radiation protection.

Guaranteed to Pass Inspection

RPA tests can be expensive, especially if your controlled area fails to pass. That is why Raybloc offers an RPA pass guarantee; our products are built to exact RPA standards, guaranteed to last and offer complete peace of mind for the safety of your staff and your wallet.

Hand-Finished with Care

Particular attention is given to all our products, ensuring they complement their surroundings by matching your specification using our vast amount of available options (i.e., design, decoration, theme).

Second-to-None Service

Consistently aiming to please, we pride ourselves on giving the best customer service within our industry and will help you every step of the way.


Is X-ray non-destructive?

Yes, X-ray is considered a nondestructive testing method. In NDT, X-rays are used to inspect the internal structures of objects without causing any damage to them. This makes X-ray testing an invaluable tool in various industries, including aerospace, manufacturing, healthcare, and more, where the integrity of critical components must be evaluated without compromising their functionality.

What are 3 examples of non-destructive testing?

Three examples of nondestructive testing methods are Radiographic Testing (X-ray and gamma-ray inspections), Ultrasonic Testing (using sound waves to detect flaws or discontinuities), and Magnetic Particle Testing (identifying surface cracks and defects in ferromagnetic materials). These NDT techniques play essential roles in ensuring the quality, safety, and reliability of a wide range of materials and components.

What are the 4 non-destructive tests?

The four primary nondestructive testing methods are Radiographic Testing, Ultrasonic Testing, Magnetic Particle Testing, and Liquid Penetrant Testing. Each method has its specific applications and advantages, and they are collectively used in various industries to inspect materials and components without causing any damage.

X-ray testing

Products for the Non-Destructive Testing (NDT) sector

Fixed X-ray Operator Screen Thumbnail

Modular Fixed Operator X-Ray Screens

Xray Door Sets - raybloc xray protection Limited

Lead Lined Door Sets

X-Ray Protective Viewing Window - Raybloc Xray Protection

X-Ray Protective Viewing Windows

Door Sets - Raybloc X-Ray Protection

Flush Mounted Door Warning Lights

Mobile X-Ray Screen - Hygiene X - Raybloc X-Ray Protection

Mobile X-ray Screens

xray glass -Raybloc X-Ray Protection

Lead Lined Boards

Lead Chevron Brick

Lead Chevron Bricks

X-Ray shielding glass - Raybloc X-Ray Protection

Radiation Protective Lead Glass


I can confirm that Raybloc supplied an X-ray screen for Brentford Riverside Clinic’s refurbishment. The screens were supplied on time and with the appropriate manuals and paperwork for our qualified joiners to assemble and fit on-site. In all our experience, working with Raybloc has been a positive one and we hope that this carries on into the future.

Cordery Build – Brentford

We trawled the internet to look for a company to build us an X-ray room. How lucky were we to find Raybloc, two miles down the road! You couldn’t wish to meet a nicer bunch of people. Very professional and very helpful. A superb company to deal with.

Managing Director – NDT Midlands

Wolverson X-ray have used Raybloc products now for a number of years and we consider them to be of exceptional quality with great service backup, in addition to off-the-shelf items, Sean and his team are happy to carry out design to bespoke specifications, the new range of Xray protection screens and flush fit warning light systems are particularly good, we have commissioned these items for many X-ray room installations, and consider Raybloc the ‘go to’ company for this product and we would highly recommend taking a look at their portfolio, you will not be disappointed.

Graham Haslam – Sales Director at Wolverson Xray

I can confirm that Raybloc supplied an X-ray screen for Brentford Riverside Clinic’s refurbishment. The screens were supplied on time and with the appropriate manuals and paperwork for our qualified joiners to assemble and fit on-site. In all our experience, working with Raybloc has been a positive one and we hope that this carries on into the future.

Eric Chant – Director at Mount Vets Ltd

A truly helpful and knowledgeable team. Great products and 5* service.

Koleen Godfrey – Fluke Corporation

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