Technical Guide•2 July 2026
Clinical Polymer Technologies · United Kingdom
Precision medical silicone components, manufactured in the UK.
A specialist sub-contract manufacturer supplying medical device, diagnostic and life-science customers — operating under an ISO 13485 quality system with in-house cleanroom production.
ISO 13485
Certified since inception
ISO 8
Class K cleanrooms
Est. 1989
Specialist manufacturer
20–160 T
Injection press range
Who we are
A specialist medical manufacturing partner.
Clinical Polymer Technologies (CPT) is a UK sub-contract manufacturer of high-quality precision moulded polymer components, primarily for the healthcare and medical device sectors. Founded in 1989, we combine three decades of polymer engineering with ISO 13485:2016 quality systems and ISO 8 Class K cleanroom manufacturing.
We work in close partnership with our customers — from early-stage design input and material selection through to moulding, assembly, printing, inspection, packaging and sub-contract sterilisation. A complete-package solution, from concept to off-the-shelf product.
01
Silicone specialists
LSR, HCR, RTV, UV-cure and fluorosilicone processed in-house — not a general-purpose moulder.
02
Cleanroom manufacture
Moulding, assembly, printing and packaging within a single ISO 8 controlled environment.
03
Concept to finished product
Design input, tooling, validation, sterilisation and logistics managed under one contract.
04
R&D through to volume
Low-volume trials scale into series production for established medical device customers.
Core capabilities
Twelve integrated capabilities under one roof.
01
LSR moulding
Multi-cavity cold-runner moulding of platinum-cured liquid silicone rubber, 20–160T presses.
02
Injection moulding
Precision LSR and HCR injection moulding in a dedicated medical environment.
03
Compression moulding
HCR silicone, fluorosilicone and specialist elastomers in large cross-sections.
04
Transfer moulding
Encapsulation of fragile inserts, electronics and insert-heavy geometries.
05
RTV & UV-cure moulding
Room-temperature and UV-cure silicones for prototypes, potting and low-volume parts.
06
Cleanroom production
ISO 8 Class K moulding, assembly, printing, inspection and packaging.
07
Overmoulding of electronics
LEDs, PCBs, sensors, wiring and rigid substrates in silicone or TPE — sealed to IP67+.
08
Design & project development
Material selection, tooling strategy and process route for novel silicone products.
09
Tooling & low-volume trials
Prototype tools through production multi-cavity cold-runner LSR systems.
10
Assembly & kitting
Bonded sub-assemblies, functional test and multi-component kit build in cleanroom.
11
Packaging & labelling
Tyvek pouching, blister packing, custom labels, indicators and dye-pen seal testing.
12
Sterilisation & logistics
Managed EO, gamma and steam sterilisation, warehousing and direct dispatch.
Materials & applications
Medical-grade silicones, specified for the application.
CPT works across platinum-cured LSR, HCR, fluorosilicone, RTV and UV-cure systems from the principal medical-grade suppliers, with pigments, additives and self-lubricating grades specified to suit the device.
- LSR (5–80 Shore A)
- HCR silicone
- Fluorosilicone
- RTV & UV-cure
- Optical grades
- Self-lubricating
Cleanroom manufacturing
Controlled environments for critical components.
CPT's cleanroom production suites are configured for the manufacture of components destined for medical device and diagnostic applications. Environmental monitoring, gowning protocols and material handling are governed by the ISO 13485 quality management system.
- Class 8 controlled environment
- Continuous particulate monitoring
- Segregated material flow
- Gowned operator protocols
Industries served
Trusted across regulated healthcare markets.
CPT supplies components to medical device, diagnostic, pharmaceutical and life-science manufacturers — sectors in which quality, traceability and regulatory documentation are contractual requirements rather than points of difference.
Explore industries- 01Medical Devices
- 02Diagnostics
- 03Pharmaceutical
- 04Healthcare
- 05Life Sciences
- 06Laboratory Equipment
- 07Drug Delivery
Quality & regulatory
Every process governed by a single quality system.
All operations at CPT are conducted under an ISO 13485:2016 quality management system. From incoming material inspection through to final release, documentation and lot traceability are built into the production workflow.
ISO 13485
Full traceability
IQ / OQ / PQ support
Risk management (ISO 14971)
Change control
Continuous improvement
Discuss your requirement
Speak with the engineering team.
Submit a specification or drawing package and the team will respond with technical feedback and a route to production.