KP Plastics
Unit 4a Enigma Centre, Bilton Road, Bletchley, MK1 1HW
About
KP Plastics Ltd, a long-established, family-run UK plastic injection moulding manufacturer based in Milton Keynes, offers a complete service from initial design to finished, assembled products, utilizing over 20 moulding machines ranging from 30 to 600 tonnes to produce components from a few grams up to 2kg. Their extensive polymer processing capabilities encompass engineering grade, recycled, and specialist plastics for extreme temperatures, alongside moulding parts with metal inserts. A key differentiator is their in-house toolroom, ensuring rapid response and cost efficiencies, complemented by value-added services like assembly, welding, printing, and sustainable packaging. KP Plastics is committed to delivering cost-effective, efficient solutions with reduced lead times compared to metal, actively supporting clients through the design process with integrated services and in-house expertise for a streamlined manufacturing partnership.
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KP Plastics Ltd is a long-established, family-run UK plastic injection moulding manufacturer based in Milton Keynes. Since the 1960s, they have provided a complete service from initial design to finished, assembled products. Their substantial facility is equipped with over 20 moulding machines, ranging from 30 to 600 tonnes, enabling the production of plastic components weighing from a few grams up to 2kg.
The company possesses extensive capabilities in polymer processing, working with a diverse range of materials including engineering grade, recycled, and specialist plastics for extreme temperature applications, as well as moulding parts with metal inserts. A significant advantage is their in-house toolroom, which handles all aspects of tool manufacturing, maintenance, and modifications, ensuring rapid response times and cost efficiencies for clients. Beyond moulding, KP Plastics offers a suite of value-added services such as assembly, welding, printing, and sustainable packaging solutions.
KP Plastics is committed to delivering cost-effective and efficient solutions, often achieving reduced lead times compared to traditional metal components. They actively support clients throughout the design process, accepting input in various formats from 3D CAD files to rough sketches. Their focus on integrated services and in-house expertise allows them to manage projects comprehensively, providing a streamlined and reliable manufacturing partnership.
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Press fleet4
- Moulding processes
- Injection moulding
- Smallest press (t)
- 30
- Largest press (t)
- 600
- Press count
- 20
Moulding capability4
- Process specialisms
- Insert moulding
- Min part weight (g)
- 1
- Max part weight (g)
- 2000
- Joining methods
- Insert fitting
Production2
- Batch tiers
- High volume, Low volume
- Handles volume production
- Yes
Prototyping & NPD1
- DFM support
- Yes
Tooling3
- In-house toolroom
- Yes
- Tool services
- Repair & modification
- Tooling origin
- In-house (UK site)
Assembly & finishing2
- Assembly offered
- Yes
- Assembly capabilities
- Contract packing, Fulfilment
Identity & contact1
- Industries served
- Packaging, Automotive, Electronics & electrical, Food & beverage, Consumer goods
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Press fleet: Press brands · Large-format (≥1,000 t) · Premium press fleet · All-electric presses
Moulding capability: Micro moulding capable · Cleanroom class · Certified cleanroom · Scientific moulding · Decoration · 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: Handles prototypes · Runs 24/7 · Bridge production
Machining: Contract machining
Quality & inspection: FAI methodology · CMM · Inspection stages · SPC / Cpk · Automated vision QC
Certifications & accreditations: ISO 9001 · ISO 14001 · ISO 13485 · IATF 16949 · BRCGS Packaging · AS9100 · Cyber Essentials · Food-contact compliance · UL listing · Trade bodies