Injection molded parts
KTR manufactures custom technical injection-moulded components using engineering and high-performance thermoplastics, with automated machines and part weights across a broad range.
Active company
Kunststofftechnik Hans Rethwisch GmbH
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Injection molded parts
Technical parts
Assembled parts
Finished, decorated, printed and marked parts
Welded parts
Injection and compression molds
About
About Kunststofftechnik Hans Rethwisch GmbH
Kunststofftechnik Hans Rethwisch GmbH (KTR) is a family-owned injection moulding company established in Hamburg in 1969. It manufactures customer-specific technical plastic components for medical and dental applications, aerospace, automotive, measurement equipment, electrical engineering, shipbuilding and machinery. Its Hamburg facility operates 24 electric and hydraulic injection moulding machines, including equipment for two-component moulding and production under controlled cleanroom conditions. KTR processes conventional engineering thermoplastics as well as high-performance materials such as PEEK, PEI, PSU and PFA. The company also provides insert moulding, tool management, mould maintenance and repair, component assembly, ultrasonic welding, laser marking and other finishing operations. Its tool management services span planning, simulation-supported design evaluation, procurement and ongoing tool care. KTR combines automated manufacturing with documented quality controls and offers both specialist components and larger production runs.
Capabilities
Our competencies
Technical parts
The company produces precision engineering components for dental, aerospace, measurement and industrial applications, including very small gears and high-performance polymer parts.
Assembled parts
KTR provides assembly of injection-moulded parts into finished subassemblies, including painted and assembled aircraft-handle components.
Finished, decorated, printed and marked parts
Secondary operations include laser marking, pad printing, hot stamping, mechanical finishing and part conditioning.
Welded parts
KTR joins thermoplastic components using ultrasonic welding as part of its downstream processing services.
Injection and compression molds
KTR manages injection mould planning, sourcing, maintenance and repairs, using filling simulation and external tooling partners for mould manufacture.
Industries
Our target groups
Automotive
Aerospace & Aviation
Medical & Healthcare
Standards
Certifications
ISO 9001 — Quality Management
EN/AS 9100 — Aerospace Quality Management
Facts
Company data
- Year Established
- 1969
- Injection Moulding Machines
- 24 electric and hydraulic machines
- Clamping Force Range
- 100–6,500 kN
- Injection Moulded Part Weight
- 0.1–2,000 g
- 2K Injection Moulding Weight
- Up to 150 g + 50 g
- Cleanroom Production
- Class 8
- Tooling Inventory
- More than 2,000 moulds maintained for customers
Locations
Company locations
1 company location
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Germany
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Pharma
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