Your Technical Experts for bespoke Plastic Injection Moulding services including Mould Tool Manufacture and Repeat Production.

Pentagon, putting the positivity in to plastics manufacture

About us

Pentagon Plastics are your technical experts for bespoke technical plastic injection moulding! Based in Horsham, West Sussex, (United Kingdom), the company has enjoyed in excess of 45 years of trading. As experts in our field, we provide a wealth of knowledge and skill to our diverse customer base. Services offered here at Pentagon Plastics include design assistance, development, toolmaking and injection moulding.

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We provide a high level of assistance at every stage of a project. This would begin on receipt of your enquiry with a Design For Manufacture (DFM) review of the component. At the earliest stage, the DFM process will focus on ease of manufacture and optimal mould tool configuration.

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When developing a component for plastic injection moulding it is essential that your product will be fit for purpose and is designed for the intended manufacturing process.  We draw on our experience and technical knowledge to support you at this early stage.

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Moulding Division

Our ISO9001:2015 accredited moulding division is the core of our manufacturing facility and is home to a range of modern plastic injection moulding presses. Presses range from 22 tonne to 280 tonne clamp force which enables us to mould shot weights from 0.5 grams upwards.

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Tooling Division

Our ISO9001:2015 accredited tooling division provides a comprehensive UK manufacturing solution to support our customers mould tooling requirements.

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Beyond The Mould

There can be processes required that are deemed too complex or costly to have been completed during the moulding process. Therefore our plastic injection moulding process does not stop when the product is released from the tool.

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Latest news

The Pentagon Plastics Group looks forward to returning to the Engineering Design Show
August 20, 2019

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Pentagon offers three weeks of work experience placements to local students
July 2, 2019

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Download our brochure

Click the download button below to explore our pdf brouchure


Contact Us

If you want to start a project or just have a question, we are always here to help.

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