KP Plastics (UK)

Unit 4a Enigma Centre, Bilton Road Bletchley, Milton Keynes, MK1 1HW

About

KP Plastics (UK) Ltd, a family-run contract manufacturer based in Milton Keynes, specialises in comprehensive plastic injection moulding services, guiding projects from initial design to finished, assembled products. With over 20 moulding machines ranging from 30 to 600 tonnes, they produce components from a few grams to 2kg, working with a diverse array of polymers including engineering-grade, recycled, and specialist plastics, and can incorporate metal inserts. Their in-house toolroom in Bletchley offers rapid response and cost savings through tool manufacturing, maintenance, and modifications, accepting design input in various formats and providing design assistance. Value-added services include assembly, welding, printing, and sustainable packaging, enabling cost-effective, efficient manufacturing with reduced lead times, particularly compared to metal alternatives.

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KP Plastics (UK) Ltd is a long-established, family-run contract manufacturer based in Milton Keynes, UK, specialising in plastic injection moulding. Since the 1960s, they have provided a comprehensive service, guiding projects from initial design concepts through to the delivery of fully assembled finished products. Their substantial facility is equipped with over 20 moulding machines, offering a wide tonnage range from 30 to 600 tonnes, enabling the production of plastic components weighing from a few grams up to 2kg.

The company's core capabilities extend to working with a diverse array of polymers, including engineering-grade, recycled, and specialist plastics designed for various temperature applications, and they can also mould parts incorporating metal inserts. A significant advantage is their in-house toolroom, located in Bletchley, Milton Keynes, which handles all aspects of tool manufacturing, maintenance, and modifications. This on-site resource ensures rapid response times to client needs and contributes to minimising tooling costs, including complimentary standard maintenance. KP Plastics readily accepts design input in multiple formats, from advanced 3D CAD/CNC files and 2D drawings to basic sketches with dimensions, and actively assists clients throughout the design process.

Beyond the primary moulding process, KP Plastics offers a suite of value-added services to enhance product completion. These include assembly operations such as riveting, labelling, and barcoding, as well as welding, printing, and sustainable, recyclable packaging solutions. The company is dedicated to delivering cost-effective and efficient manufacturing solutions, frequently achieving reduced lead times, particularly when compared to traditional metal component production.

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Press fleet4

Moulding processes
Smallest press (t)
Largest press (t)
Press count

Moulding capability4

Process specialisms
Max part weight (g)
Joining methods
Decoration

Prototyping & NPD1

DFM support

Tooling3

In-house toolroom
Tool services
Tooling origin

Assembly & finishing1

Assembly offered

Certifications & accreditations1

ISO 9001

Identity & contact1

Industries served
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Press fleet: Press brands · Large-format (≥1,000 t) · Premium press fleet · All-electric presses

Moulding capability: Micro moulding capable · Min part weight (g) · Cleanroom class · Certified cleanroom · Scientific moulding · Product specialisms

Materials: Material modifiers · Recycled content offered · Recycled feedstock types · ESD-capable

Prototyping & NPD: Prototyping routes · Prototypes in final material · Prototyping offered · Product-design service · Mould-flow simulation

Tooling: Tool trials offered

Production: Batch tiers · Handles prototypes · Handles volume production · Runs 24/7 · Bridge production

Assembly & finishing: Assembly capabilities

Machining: Contract machining

Quality & inspection: FAI methodology · CMM · Inspection stages · SPC / Cpk · Automated vision QC

Certifications & accreditations: ISO 14001 · ISO 13485 · IATF 16949 · BRCGS Packaging · AS9100 · Cyber Essentials · Food-contact compliance · UL listing · Trade bodies