---
title: "UKRI-5120 Flexible B4C neutron shielding materials"
ocid: "ocds-h6vhtk-059a43"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-059a43"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-059a43.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-059a43.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "UK RESEARCH & INNOVATION (UKRI)"
published: "2025-12-03"
---

# UKRI-5120 Flexible B4C neutron shielding materials

Buyer: UK RESEARCH & INNOVATION (UKRI)  
Current stage: Award  
OCID: ocds-h6vhtk-059a43

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## Summary

UK Research & Innovation (UKRI) has successfully completed a procurement process for the provision of flexible B4C neutron shielding materials, awarding the contract to the supplier Mirrotron. This contract is valued at £400,000 excluding VAT and spans a four-year period, from 4th December 2025 to 3rd December 2029. The procurement was completed through an open procedure and falls under the industry category of construction materials, specifically plates, sheets, strip, and foil. The awarded contract pertains to deliveries to the Science and Technology Facilities Council Rutherford Appleton Laboratory at Harwell Campus, Didcot, UK. Key dates included the tender closing on 31st October 2025, ensuring ample preparation time was provided for bidders.

This tender presents significant opportunities for businesses within the construction materials industry, particularly those specialising in innovative materials such as neutron shielding solutions. Businesses with experience in manufacturing flexible materials would find this procurement ideal to extend their reach into public sector supply chains. The open procedure suggests a competitive bidding environment, favouring enterprises that can meet technical and quality criteria alongside pricing considerations. Suppliers proficient in delivering specialised goods to research facilities will particularly benefit from engaging in such contracts due to the strategic and niche nature of this procurement.

## Notice

UKRI wishes to establish a Contract for the provision of Flexible Neutron Shielding Sheets to guarantee a steady supply of flexible neutron shielding to cover Endeavour Program needs. The site address for delivery of the goods and/or services is: Science and Technology Facilities Council Rutherford Appleton Laboratory Harwell Campus Didcot OX11 0FA The estimated value of the opportunity is PS400,000.00 ex VAT across the 4-year period. This is the maximum value that can be used however, please note this is not guaranteed. . Sample request: UKRI STFC have requested for a sample Neutron Shielding Sheet to be produced for Q6.06. Please send to the address above for the attention of Francesco Zuddas- ISIS Department and inform us of when it is expected to arrive through the Atamis eSourcing Portal. Please be aware that samples need to be received back before or on the closing date which is 24th October 2025 at 14:00 GM

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/079302-2025 |
| Notice type | UK7 - Contract Details Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Open |
| Procurement method details | Open procedure |
| Tender suitability | SME |
| Awardee scale | Large |
| All stages | Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 3 Dec 2025 |
| Submission deadline | 31 Oct 2025 |
| Future notice date | Not specified |
| Award date | 12 Nov 2025 |
| Contract period | 4 Dec 2025 - 3 Dec 2029 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £400,000 |
| Lots value | £400,000 |
| Awards value | £400,000 |
| Contracts value | £400,000 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Active, Pending |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | UK RESEARCH & INNOVATION (UKRI) |
| Locality | SWINDON, WILTSHIRE |
| Post town | Swindon |
| Postcode | SN2 1FL |
| Country | England |
| ITL 1 | TLK South West (England) |
| ITL 2 | TLK7 Gloucestershire and Wiltshire |
| ITL 3 | TLK71 Swindon |
| Local authority | Swindon |
| Electoral ward | Rodbourne Cheney |
| Westminster constituency | Swindon North |
| Delivery location | TLJ14 Oxfordshire CC |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | MIRROTRON |

## CPV Codes

### Divisions

- 44 - Construction structures and materials; auxiliary products to construction (except electric apparatus)

### Codes

- 44170000 - Plates, sheets, strip and foil related to construction materials

## Release History

- 3 Dec 2025 at 12:07 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/079302-2025
- 12 Nov 2025 at 09:51 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/073032-2025
- 21 Oct 2025 at 10:53 - TenderUpdate - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/067045-2025
- 15 Sep 2025 at 11:51 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/056551-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/079302-2025
  3rd December 2025 - Contract details notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/073032-2025
  12th November 2025 - Contract award notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/067045-2025
  21st October 2025 - Tender notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/056551-2025
  15th September 2025 - Tender notice on Find a Tender

## Notice URLs

- https://ukri2--prospend.vf.force.com/apex/CS_ContractPage?filters=&page=1&Preview=Yes&searchStr=&SearchType=Projects&sortStr=Alphabetical&uid=a1MTm000007w9EzMAI&sfdcIFrameOrigin=https%3A%2F%2Fukri2.lightning.force.com
- https://ukri2.my.site.com
- https://www.legislation.gov.uk/ukpga/2023/54/contents
- https://www.ukri.org/

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-059a43. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-059a43.json.
