Hi-Rel Plastics & Molding Corp. provides precision plastic molding, cleanroom manufacturing, mold and tooling manufacturing, engineering, prototyping, custom plastic and metal parts manufacturing, assembly and secondary manufacturing services for research laboratories, laboratory equipment manufacturers, diagnostic companies, biotechnology companies, life science companies, analytical instrument manufacturers and scientific equipment OEMs throughout California and across the United States.
With more than 40 years of manufacturing experience and ISO 9001:2015, AS9100 Rev D and ISO 13485:2016 certifications, Hi-Rel Plastics & Molding supports research and laboratory manufacturing programs from early product development and prototyping through tooling, precision molding, cleanroom manufacturing, assembly and ongoing production.
Our manufacturing capabilities include plastic injection molding, cleanroom medical injection molding, blow molding, liquid silicone rubber (LSR) injection molding, thermoforming, vacuum forming, rotational molding, mold and tooling manufacturing, 3D printing and rapid prototyping, custom plastic and metal parts manufacturing, clean room assembly, mechanical assembly, cable assembly, ultrasonic welding, pad printing and other secondary manufacturing services.
For research, diagnostic and life science products requiring controlled manufacturing, Hi Rel Plastics & Molding offers both Class 10,000 / ISO Class 7 cleanroom environments and Class 100,000 / ISO Class 8 cleanroom environments.
Research and laboratory equipment requires components capable of supporting accurate testing, repeatable operation and dependable performance.
Depending on the application, laboratory plastic components may require tight dimensional tolerances, optical clarity, chemical resistance, temperature resistance, low moisture absorption, sterilization compatibility, fluid compatibility or contamination controlled manufacturing.
Hi-Rel Plastics & Molding works with laboratory equipment OEMs, diagnostic companies, biotechnology manufacturers and scientific product developers to manufacture components for applications including:
Our broad manufacturing capabilities allow customers to source everything from small precision molded components to larger housings, containers, trays and complete subassemblies.
Tight-tolerance molding ensures consistent, reliable components for sensitive equipment.
Engineered resins selected for chemical resistance and dimensional stability.
Precision molding ensures smooth surfaces and consistent visual appearance.
Ability to produce intricate parts with fine detail and repeatable quality.
Plastic injection molding provides an efficient method for manufacturing high-precision laboratory plastic components with repeatable dimensions and scalable production.
Potential laboratory injection molding applications include:
Hi-Rel Plastics & Molding can support prototype, low-, medium- and high-volume production depending on product, tooling and program requirements.
Additional capabilities can include insert molding, overmolding, vertical injection molding and tight-tolerance molding for more complex laboratory and diagnostic components.
Injection molding is widely used to manufacture disposable and reusable laboratory products requiring repeatable dimensions and economical production.
Potential injection molded labware applications include:
Material, cleanliness and manufacturing requirements should be evaluated for each individual product based on its intended laboratory or diagnostic application.
Hi-Rel Plastics & Molding supports manufacturers developing products for diagnostics, biotechnology and life science applications.
Potential components include:
Our related medical device injection molding capabilities can also support appropriate projects that cross between laboratory, diagnostic and medical applications.
Some laboratory, diagnostic, biotechnology and life science components require enhanced contamination control during manufacturing and assembly.
Hi-Rel Plastics & Molding offers:
Our cleanroom medical molding capabilities can support qualifying products requiring controlled manufacturing conditions.
The appropriate cleanroom classification and manufacturing controls should always be based on the customer’s product, quality and regulatory requirements.
Hi-Rel Plastics & Molding Corp. maintains ISO 13485:2016 certification, supporting disciplined quality-management processes for appropriate medical, diagnostic and life science manufacturing programs.
The company also maintains:
These certifications support controlled manufacturing, process documentation, inspection, traceability and continuous improvement.
Learn more about Hi-Rel Plastics & Molding’s quality management systems.
Custom blow molding can manufacture hollow laboratory products ranging from small bottles to larger reservoirs and containers.
Hi-Rel Plastics & Molding supports extrusion blow molding (EBM), injection blow molding (IBM) and injection stretch blow molding (ISBM).
Potential research and laboratory applications include:
Depending on the application, secondary operations can include trimming, leak testing, labeling, printing, assembly, filling and sealing.
Liquid silicone rubber can provide flexibility, sealing performance and temperature resistance for research and laboratory equipment.
Potential LSR applications include:
LSR may be especially useful in analytical and fluid-handling systems requiring flexible components or reliable sealing.
Fluid management is critical in many analytical, diagnostic and biotechnology systems. Hi-Rel Plastics & Molding can support molded components such as:
Materials should be evaluated based on the specific fluids, chemicals, temperatures, pressures and cleaning methods involved.
Thermoforming and vacuum forming can provide economical manufacturing solutions for trays, equipment liners, packaging and larger formed laboratory components.
Potential applications include:
The appropriate process depends on component size, material, geometry and production requirements.
Rotational molding can be used for large, hollow and durable laboratory or facility-support products.
Potential applications include:
Rotational molding can provide seamless hollow construction and durability for demanding laboratory and facility-support applications.
Precision laboratory components require reliable, accurately manufactured tooling.
Hi-Rel Plastics & Molding provides mold and tooling support for injection molding, LSR molding, blow molding, thermoforming, vacuum forming and rotational molding programs.
Tooling services can include:
Integrating tooling and production manufacturing can improve communication between product design, mold development and actual production.
Research and laboratory products often involve complex geometries, precision interfaces, fluid pathways and assembly requirements.
Hi-Rel Plastics & Molding can support product-development teams with:
Our 3D printing and rapid prototyping services can help customers evaluate form, fit and function before committing to production tooling.
Material selection can be especially important in laboratory applications involving chemicals, temperature changes, repeated cleaning, sterilization processes, optical requirements or dimensional precision.
Depending on the application, Hi-Rel Plastics & Molding can process materials including:
Material selection can consider:
Material compatibility should always be evaluated for the exact chemical, sterilization process, temperature and intended application.
Many laboratory and diagnostic products require clear components so users or instruments can observe fluids, samples or operating conditions.
Materials such as polycarbonate, acrylic and other transparent engineering resins may be considered for appropriate applications requiring optical visibility.
Potential applications include:
Optical requirements should be defined early because resin selection, mold finish, gate location, flow behavior and processing conditions can all affect final appearance.
Laboratory equipment often combines molded plastics with precision metal components, hardware, inserts and other mechanical elements.
Hi-Rel Plastics & Molding can support custom plastic and metal component manufacturing, including plastic and metal CNC machining for appropriate projects.
This can help laboratory equipment OEMs consolidate components that otherwise might require several separate suppliers.
Research, diagnostic and laboratory equipment frequently requires assembly after individual components are manufactured.
Hi-Rel Plastics & Molding can support:
Combining molding and assembly can help reduce supplier transfers and simplify manufacturing coordination.
Hi-Rel Plastics & Molding provides ultrasonic insertion and ultrasonic welding for suitable laboratory and diagnostic components.
Potential applications include:
Other joining processes can include heat staking, heat insertion, adhesive bonding and mechanical fastening depending on the product requirements.
Laboratory products may require identification, graduations, measurement scales, operating instructions, symbols or branding.
Hi-Rel Plastics & Molding offers pad printing and other secondary decorating services for suitable applications.
Potential markings include:
Hi-Rel Plastics & Molding can combine multiple manufacturing capabilities to provide a more complete contract manufacturing solution for laboratory, diagnostic and scientific equipment companies.
A typical program may include:
Engineering Review → DFM → Rapid Prototype → Material Selection → Mold & Tool Manufacturing → Injection Molding / Cleanroom Molding → Secondary Operations → Assembly → Inspection → Packaging
This integrated approach can reduce the number of suppliers involved in a program while improving communication between product development, tooling and production.
Hi-Rel Plastics & Molding can support products used across:
Companies operating across related regulated markets can also explore our medical device injection molding and pharmaceutical manufacturing capabilities.
Hi-Rel Plastics & Molding Corp. is headquartered in Riverside, California and supports laboratory equipment, diagnostic, biotechnology and scientific equipment companies throughout:
Companies searching for a laboratory equipment plastic injection molding company in California, life science plastic manufacturer, diagnostic plastic components manufacturer or laboratory contract manufacturing company in the USA can work with Hi-Rel Plastics & Molding from product development through production.
ISO 13485-Certified Quality System
Hi-Rel Plastics & Molding Corp. maintains ISO 13485:2016 along with ISO 9001:2015 and AS9100 Rev D certifications.
ISO Class 7 & ISO Class 8 Cleanroom Environments
Controlled manufacturing environments are available for qualifying laboratory, diagnostic and life science products.
Precision Injection Molding
Tight-tolerance manufacturing capabilities support demanding laboratory and analytical components.
Prototype Through Production
Engineering, DFM, rapid prototyping, tooling, molding, secondary operations and assembly can support the complete product-development cycle.
Multiple Manufacturing Technologies
Injection molding, blow molding, LSR molding, thermoforming, vacuum forming and rotational molding support a wide range of laboratory product geometries.
Engineering-Grade Materials
Material options can support requirements involving chemical resistance, optical clarity, dimensional stability, temperature performance and other specialized properties.
Mold & Tool Manufacturing
Tooling support can help laboratory equipment manufacturers transition from development to scalable production.
Plastic & Metal Components
Molded plastic and machined plastic or metal components can be incorporated into more complete assemblies.
Assembly & Secondary Services
Clean room assembly, mechanical assembly, cable assembly, ultrasonic welding, pad printing and other services can reduce the number of suppliers required.
California Manufacturing Support for Nationwide Customers
Hi-Rel Plastics & Molding supports laboratory and life science companies throughout California and across the United States.
What laboratory products can be injection molded?
Injection molding can manufacture pipette components, microplates, cuvette holders, diagnostic cartridges, vial components, test tube components, reagent reservoirs, fluid connectors, instrument housings and many other laboratory plastic parts.
Does Hi-Rel Plastics & Molding offer cleanroom molding for laboratory products?
Yes. Hi-Rel Plastics & Molding offers Class 10,000 / ISO Class 7 and Class 100,000 / ISO Class 8 cleanroom environments for qualifying projects requiring controlled manufacturing.
Is Hi-Rel Plastics & Molding ISO 13485 certified?
Yes. Hi-Rel Plastics & Molding Corp. maintains ISO 13485:2016 certification as well as ISO 9001:2015 and AS9100 Rev D.
Can Hi-Rel Plastics & Molding manufacture laboratory bottles and containers?
Yes. Blow molding capabilities can support suitable reagent bottles, wash bottles, sample containers, reservoirs, carboys and other laboratory fluid-storage products.
Can you manufacture laboratory molds and tooling?
Yes. Hi-Rel Plastics & Molding supports mold and tooling requirements for injection molding, LSR molding, blow molding, thermoforming, vacuum forming and rotational molding programs.
Can you help develop a new laboratory product?
Yes. Hi-Rel Plastics & Molding can support engineering review, DFM, material selection, rapid prototyping, tooling and production manufacturing.
Can you manufacture both plastic and metal laboratory components?
Yes. Hi-Rel Plastics & Molding can support molded plastic parts as well as plastic and metal CNC-machined components for appropriate applications.
Do you provide assembly after molding?
Yes. Hi-Rel Plastics & Molding offers clean room assembly, mechanical assembly, cable assembly, ultrasonic welding, heat staking, adhesive bonding and other secondary operations.
Does Hi-Rel Plastics & Molding serve laboratory equipment manufacturers outside California?
Yes. Hi-Rel Plastics & Molding is located in Riverside, California and supports research, laboratory, diagnostic, biotechnology and life science companies throughout California and across the United States.
Whether your project requires a precision injection molded laboratory component, diagnostic cartridge, reagent bottle, LSR seal, thermoformed laboratory tray, custom mold, CNC-machined component or assembled laboratory product, Hi-Rel Plastics & Molding Corp. can support your program from development through production.
Contact Hi-Rel Plastics & Molding Corp. to discuss your drawings, 3D CAD files, materials, cleanroom requirements, tooling needs and estimated production quantities.
Research and laboratory components require precision, consistency, and reliable performance in controlled testing, analytical, and scientific environments. Hi-Rel Plastics produces precision-molded parts designed to support accuracy, chemical resistance, sterilization compatibility, and dimensional stability across a wide range of laboratory, diagnostic, and research applications.
With experience in advanced engineering resins and quality-driven manufacturing, we help laboratory equipment manufacturers, diagnostic companies, research facilities, and OEMs produce reliable molded components that meet both functional and production requirements. ISO Class 7 and ISO Class 8 cleanroom molding capabilities are available for applications requiring controlled manufacturing environments.
Injection Molding
Blow Molding
Liquid Silicone Rubber (LSR) Molding
Thermoforming / Vacuum Forming
Rotational Molding
Tight-tolerance molding ensures consistent, reliable components for sensitive equipment.
Engineered resins selected for chemical resistance and dimensional stability.
Precision molding ensures smooth surfaces and consistent visual appearance.
Ability to produce intricate parts with fine detail and repeatable quality.
