Compression moulding companies use a manufacturing process that creates strong, durable plastic components by compressing heated material into a mould cavity. Under high pressure, the plastic takes the shape of the mould, cooling and solidifying to form precise parts.
Compression moulding is ideal for producing large or complex items, such as automotive parts, electrical enclosures, and industrial components.
Compression moulding companies are valued for their ability to provide high-quality, cost-effective solutions for high-volume production, making this technique a popular choice across various industries requiring durable, consistent plastic parts.
Choosing the right compression moulding company is crucial for achieving precise, high-quality results. A reliable moulder will have the expertise to manage the exact temperature and pressure requirements of compression moulding, ensuring the material fills the mould accurately and consistently.
The top four rating is the view of the team at leading plastics industry resource, PlastikCity. All companies have been verified as follows:
- Supply premium-quality equipment
- Established a minimum of two years
- Provide UK-based, reputable service support
- Financially sound
Interested in finding compression moulding companies? Visit PlastikCity.co.uk to quickly and easily request quotes from our top manufacturers.
In alphabetical order:
Fairgrieve Compression Moulding
Tyne & Wear
Fairgrieve Compression Moulding, established in 1913, is renowned as the first UK company to compression mould Bakelite plastics. With over a century of expertise, the company serves sectors including marine, aviation, automotive, and mining across the UK and Europe. Fairgrieve offers ISO-certified quality and specialises in products like busbar supports, friction discs, and mining plug insulators.
Learn more and request a quote from Fairgrieve Compression Moulding
Merriott Group
Somerset & Kent
The Merriott Group is a leading compression moulding company, specialising in technical thermoset composite mouldings for industries like railway, lighting, and automotive. With over 70 machines, including 28 compression presses from 25 – 450-tonne, the company moulds materials such as Phenolic, Melamine, and SMC. Merriott also offers thermoplastic injection moulding, assembly, welding, and post-mould machining services, backed by ISO 9001:2015 certification.
Stechford Mouldings
West Midlands
Stechford Mouldings is a leading UK manufacturer specialising in compression moulding, thermoplastic, and thermoset injection mouldings. With 70 presses ranging from 16 – 400-tonne. Additional services include toolmaking, over-moulding, post-curing, CNC milling, assembly, and finishing, catering to sectors such as automotive, lighting, and electrical.
Wickford Mould & Tool
Essex
Wickford Mould & Tool specialises in many different plastic disciplines including injection moulding, compression moulding, tool making, tool repairs, post-mould operations and CAD/CAM design. With ISO 9001:2015 accreditation, the company offers a rapid turnaround and in-house moulding for samples and start-up production batches. Its expertise and precision make it a trusted name in compression moulding manufacturing.
Supporting Information
Compression moulding is a manufacturing process widely used to create durable, high-strength parts with complex shapes. This process is ideal for producing solid components such as electrical sockets, isolators, and connector blocks. During compression moulding, the plastic material is pre-heated to become pliable and then placed into a mould cavity. Once in place, a top force or plunger applies high pressure, ensuring the material fills the mould cavity uniformly. The moulded part is then cooled, solidifying its structure before being removed.
Different types of compression moulding include hot compression moulding, cold compression moulding, and transfer moulding, each suited for specific applications and materials. Hot compression moulding involves high temperatures to melt the material, while cold compression moulding uses lower temperatures to achieve dimensional stability. Transfer moulding, a variation of compression moulding, is particularly effective for creating more intricate parts, such as seals and gaskets.
Compression moulding companies work with a range of materials, including thermoplastics and thermosets like HDPE, epoxy, phenolic resins, and silicone. The strength and durability these materials offer means compression moulding is suitable for demanding applications across industries like automotive, electronics, and industrial equipment. By partnering with experienced compression moulding companies, manufacturers can ensure high-quality, precise components tailored to their specifications.