JSB Plastics

Cossington, East Midlandsest. 1992jsbplastics.comFS642633

Unit 2 Charnwood Edge Business Park, Syston Road, Cossington, LE7 4UZ

About

JSB Plastics Limited, a family-owned UK contract manufacturer based in Leicester, specialises in comprehensive plastic injection moulding and fabrication services, offering end-to-end solutions from design and tooling to assembly and packing. Supported by a fleet of 12 Sandretto injection moulding machines ranging from 60 to 600 tonnes, including a recent larger Romi Sandretto, their capabilities extend to heat bending, fabrication, assembly, hot foil blocking, and precision CNC milling/turning, with expertise in technically challenging materials and a focus on environmentally friendly alternatives. Holding ISO 9001 certification and pursuing ISO 14001, JSB Plastics serves diverse sectors, producing components for well-known retail and technology brands, and is distinguished by its proven track record of managing projects from concept to completion, providing technical support, efficient delivery, material flexibility, and collaborative problem-solving for long-term, cost-effective partnerships.

More detail ↓

JSB Plastics Limited is a family-owned UK contract manufacturer based in Leicester, specialising in plastic injection moulding and fabrication. With a history dating back to 1992, the company offers a complete end-to-end service, from initial product design and tooling development through to final assembly and packing. Their operational scale is supported by a fleet of 12 Sandretto injection moulding machines, with capacities ranging from 60 to 600 tonnes, including a recent significant investment in a larger Romi Sandretto machine to handle more substantial projects.

The company's capabilities encompass a wide array of manufacturing processes, including injection moulding, heat bending, fabrication, assembly, and hot foil blocking. JSB Plastics demonstrates expertise in working with technically challenging materials and is actively exploring environmentally friendly alternatives. Their equipment allows for precision work, including CNC milling and turning for specific projects. They serve a diverse client base across various sectors, producing components for well-known retail brands and technology companies.

JSB Plastics holds ISO 9001 certification and is pursuing ISO 14001, underscoring their commitment to quality and environmental responsibility. They have a proven track record of successful project delivery for prominent clients such as Ritz, Dairylea, One Direction, Waitrose, Dell, Durex, and M&M's. Clients consistently praise JSB Plastics for their ability to manage projects from concept to completion, providing technical support, efficient delivery, flexibility with materials, and collaborative problem-solving, fostering long-term partnerships built on high service levels and cost-effectiveness.

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Press fleet5

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

Moulding capability2

Decoration
Product specialisms

Production2

Batch tiers
Handles volume production

Prototyping & NPD1

DFM support

Tooling2

In-house toolroom
Tool services

Assembly & finishing1

Assembly offered

Certifications & accreditations2

ISO 9001
ISO 14001

Identity & contact1

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

Moulding capability: Process specialisms · Micro moulding capable · Min part weight (g) · Max part weight (g) · Cleanroom class · Certified cleanroom · Scientific moulding · Joining methods

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: Tooling origin · Tool trials offered

Production: Handles prototypes · 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 13485 · IATF 16949 · BRCGS Packaging · AS9100 · Cyber Essentials · Food-contact compliance · UL listing · Trade bodies