WQ Inspection & Certification now offer PMI Testing, in addition to our range of cost effective NDT Inspections to various industry sectors across the UK.
Positive Material Identification (PMI) testing, using XRF (X-Ray Fluorescence) is a non-destructive method of chemical analysis that can quickly and accurately identify a wide range of metallic alloys. Our class-leading Niton XL2 Plus analyser delivers fast and accurate semi-quantitative results.
PMI testing can identify material grades of metallic including:
- Stainless steels
- Duplex
- Copper
- Nickel alloys
- Aluminium
- Titanium
- Exotic alloys
- Precious metals
Other applications of PMI testing include:
- Detection of lead in paint
- Consumer goods
- Mining and exploration
- Environmental
PMI is an integral part of process safety management in many industries. Whether the need is:
- Quality control
- Sorting of a mixed batch
- To provide verification of metal alloy grade and composition
- Weld deposit verification

PMI testing is crucial to the success of many businesses
Our skilled and experienced personnel offer a high degree of expertise and product knowledge. Our customer focused organisation means we offer a reliable and rapid response to meet your PMI testing requirements either on-site around the UK, or at our laboratory in the heart of the West Midlands.