About us

Carville are experts in High Precision Plastic Machining, Multi-Layer Diffusion Bonded Manifolds, Microfluidics, Polishing & Heat Treatment of Plastics. Our core competencies are heat treating, high precision CNC machining, polishing (including vapour), and diffusion bonded manifolds, microfluidics and fabrication of plastics. Offering a specialist contract manufacturing service, we support clients from concept prototypes through to series volume production.

One of our specialist areas is High Accuracy Diffusion Bonding (HADB) of materials such as Acrylic/Plexiglas (PMMA) and Ultem (PEI) to produce multi-layer fluidic manifolds. These are often used in Medical, Life Science and Beverage & Food Processing applications. We also produce complex Microfluidic diffusion bonded chip solutions incorporating many features such as mixing chambers, reagent reservoirs, capillary action channels and optical analysis windows.


Quality in Precision Machining Of Plastics & Acrylic.
Carville Plastics – ISO9001: 2015


Certificated to ISO 9001 in 1992, Carville are now ISO 9001:2015 certified and experienced in meeting the ISO 13485 requirements of our clients including full trace-ability, reports and CMM data.  We also support FDA unannounced notified bodied audits of our facility and processes.  See Delivering Quality for more information.


Carville Plastics - Precision Plastic Eng - 1950's
Carville Plastics – Precision Plastic Engineering – 1950’s


Established in 1928, Carville has built up an unparalleled wealth of experience and has a strong reputation for innovation. This includes pioneering diffusion bonding in the 1960s, the first bonded medical manifold in 1980, microfluidics machining and bonding, high accuracy diffusion bonding and encapsulation of various materials.  We have a high level of expertise in CNC turning and milling with a broad range of state of the art equipment.  See our Timeline for more information.



Based in the South East of the UK, we serve a global client base in the USA, Europe, Asia and Australasia.

Find out more about our services and products by downloading our brochure – Download our brochure 


Carville Brochure