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NON DESTRUCTIVE
TESTING DYES

John Hogg’s range of Non Destructive Testing (NDT) dyes are used worldwide to colour the NDT sprays which detect cracks and other defects in the metal or ceramic surfaces, found in industrial vessels, pipework, welding and similar equipment. These proven dyes are designed specifically for dye penetrant inspection processes and are available in industry standard colours. Our lower-hazard NF range ensures added safety for operators and manual handling applications.
ORDER OUR NDT DYES

A COMPREHENSIVE NON DESTRUCTIVE TESTING RANGE

With tried and tested brands like SUDAN® and DYEGUARD®, a bespoke approach to
dye formulation, pioneering product innovation and global distribution, John Hogg provides
the complete dye service.

Our dyes are currently used by our customers in a range of dye penetrant formulations that comply with multiple industries’ regulations and standards.

 

Sudan®

Red 500NF

Dyeguard®

Red E

Dyeguard®

Red CNF

Dyeguard®

Purple 76

FIND THE RIGHT DYE FOR YOUR NDT PROCESS

Contact Us Our Product Index

WHY JOHN HOGG DYES?

Developed specifically
for dye penetrant
inspection.

Designed for a
variety of industries
and applications.

Long-term product
stability and
compatibility.

High-specification,
lower-hazard
formulations.

Optimum concentrations
for maximum
cost-effectiveness.

Delivered globally
in a flexible range
of packaging sizes.

Available in a range of
viscosities and industry
standard colours.

Unrivalled
customer service.

TALK TO OUR EXPERTS

QUOTE

“I’m proud that all John Hogg products meet industry standards, have such vivid colour intensity, are easy to use, and that we always get it right the first time. It’s this high level of excellence that sets us apart. Along with our unique NF products which minimise health and environmental hazards to NDT contractors during dye penetrant inspection aerosol use.”

Victoria Sayer – Stewardship Manager

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