Cleanroom Medical Injection Molding Services – ISO Class 7 & ISO Class 8

Cleanroom medical injection molding is a highly controlled manufacturing process used to produce precision plastic components for medical, pharmaceutical, diagnostic, biotechnology, healthcare, and life sciences applications. Parts are molded, handled, assembled, inspected, and packaged under controlled environmental conditions designed to minimize particulate and environmental contamination.

Hi-Rel Plastics & Molding Corp. provides ISO Class 7 cleanroom injection molding, Class 10,000 cleanroom injection molding, ISO Class 8 cleanroom injection molding, and Class 100,000 cleanroom injection molding capabilities for contamination-sensitive plastic components and medical device manufacturing programs.

By offering both Class 10,000 / ISO Class 7 cleanroom environments and Class 100,000 / ISO Class 8 cleanroom environments, Hi-Rel Plastics & Molding can match manufacturing conditions to specific customer, product, and application requirements while providing engineering, tooling, precision molding, assembly, inspection, testing, and packaging support.

Capabilities

  • Highly reliable, high-precision, high-quality cleanroom plastic injection molding for complex and tight-tolerance medical and life sciences components
  • Class 10,000 / ISO Class 7 cleanroom injection molding capabilities for applications requiring a highly controlled manufacturing environment
  • Class 100,000 / ISO Class 8 cleanroom injection molding capabilities for medical and contamination-sensitive manufacturing applications
  • Complete molding services from concept to production, including part evaluation, design support, prototyping, mold design, tooling, sampling, qualification, and full-scale manufacturing
  • Experienced engineering team provides Design for Manufacturability (DFM) support to optimize product performance, manufacturability, quality, cycle time, and production cost
  • Prototype, low-volume, bridge, and high-volume medical injection molding capabilities
  • Vertical injection molding for medical insert molding and over molding applications requiring accurate component positioning and integration
  • Multi-cavity, family mold, insert molding, over molding, and micro-molding capabilities for complex medical plastic components
  • Manufacturing complex components with tight tolerances up to ±0.001 inch
  • Secondary services include cleanroom medical device assembly, ultrasonic welding, heat staking, adhesive bonding, precision trimming, pad printing, inspection, leak testing, functional testing, validated cleaning processes, and medical packaging
  • Complete tooling services including medical injection mold design, mold manufacturing support, maintenance, repair, and engineering changes
  • Automation-ready production systems and robotic part handling to improve repeatability and reduce unnecessary human contact with molded components
  • On-time delivery and JIT / Kanban manufacturing programs

Controlled Cleanroom Environment

Manufacturing in regulated environments to reduce contamination and maintain product integrity.

Medical-Grade Materials

Experience with resins suited for biocompatibility and sterilization requirements.

Precision & Consistency

Tight-tolerance molding ensures reliable, repeatable components for medical use.

Quality & Compliance Focused

Processes designed to meet strict industry standards and regulatory expectations.

ISO Class 7 / Class 10,000 Cleanroom Injection Molding

Hi-Rel Plastics & Molding provides ISO Class 7 cleanroom injection molding, commonly referred to as Class 10,000 cleanroom injection molding, for medical components requiring stringent environmental contamination control.

Our Class 10,000 medical injection molding capabilities support OEMs producing precision plastic components for medical devices, diagnostics, laboratory equipment, pharmaceutical applications, fluid-management products, healthcare equipment, and other contamination-sensitive products.

Manufacturing within an ISO Class 7 cleanroom environment provides greater control over airborne particulate contamination than standard manufacturing environments. Combined with controlled procedures for personnel, material handling, equipment operation, inspection, assembly, and packaging, this capability supports demanding medical device manufacturing requirements.

Customers searching for an ISO Class 7 injection molding company, Class 10,000 injection molding company, ISO Class 7 medical injection molding manufacturer, or Class 10,000 medical molding manufacturer in California can work with Hi-Rel Plastics & Molding for both component manufacturing and downstream value-added operations.

ISO Class 8 / Class 100,000 Cleanroom Injection Molding

Hi-Rel Plastics & Molding also offers ISO Class 8 cleanroom injection molding, traditionally referred to as Class 100,000 cleanroom injection molding, for medical, pharmaceutical, diagnostic, laboratory, and other products requiring manufacturing within a controlled environment.

A Class 100,000 / ISO Class 8 cleanroom environment can provide a cost-effective controlled manufacturing solution when the product does not require the more stringent particulate controls associated with ISO Class 7.

Hi-Rel Plastics & Molding works with customers to determine the appropriate manufacturing environment based on their product specifications and quality requirements.

Our combination of ISO Class 7 and ISO Class 8 injection molding capabilities provides customers with greater flexibility when sourcing cleanroom-manufactured plastic components and assemblies.

Medical Device Injection Molding in Controlled Cleanroom Environments

Medical plastic components often require substantially greater process and environmental controls than conventional molded products. Particulate contamination, improper handling, dimensional variation, material contamination, or uncontrolled manufacturing conditions can affect component quality and downstream medical device manufacturing.

Hi-Rel Plastics & Molding provides controlled-environment medical injection molding with both ISO Class 7 / Class 10,000 and ISO Class 8 / Class 100,000 cleanroom capabilities.

This allows manufacturing programs to be assigned to an appropriate cleanroom environment according to customer requirements while maintaining disciplined molding, material handling, inspection, assembly, and packaging procedures.

As an experienced California cleanroom injection molding company, Hi-Rel Plastics & Molding combines precision injection molding with engineering, mold manufacturing, cleanroom assembly, secondary operations, quality inspection, testing, and packaging capabilities.

ISO 13485 Certified Medical Injection Molding Manufacturer

Quality management is critical when selecting a medical injection molding manufacturer. Hi-Rel Plastics & Molding Corp. maintains ISO 13485:2016, ISO 9001:2015, and AS9100 Rev D certifications, supporting a disciplined approach to quality assurance, documentation, manufacturing control, inspection, traceability, and continuous improvement.

Our ISO 13485 medical injection molding capabilities support medical OEMs throughout the product lifecycle—from initial product evaluation and DFM through mold development, sampling, qualification, ISO Class 7 or ISO Class 8 cleanroom molding, secondary operations, cleanroom assembly, inspection, testing, and packaging.

Depending on program requirements, quality planning may incorporate documented manufacturing procedures, dimensional inspection, material and lot traceability, in-process inspection, final inspection, process monitoring, first article inspection, sampling plans, and customer-specific qualification requirements.

This integrated approach makes Hi-Rel Plastics & Molding a resource for companies searching for an ISO 13485 certified injection molding company, ISO Class 7 medical injection molding company, ISO Class 8 medical injection molding company, cleanroom injection molding manufacturer, medical plastics manufacturer, or medical device contract manufacturer.

Medical Injection Molding Process Validation

Repeatability is especially important for medical components required to consistently meet dimensional, functional, cosmetic, and material specifications throughout production.

Hi-Rel Plastics & Molding can work with customers to establish appropriate medical injection molding process validation and qualification requirements according to the product, application, customer specifications, and applicable quality requirements.

Where required by a particular program, qualification activities can address Installation Qualification (IQ), Operational Qualification (OQ), and Performance Qualification (PQ) requirements or customer-specific validation protocols.

Process development considers the relationship between part design, tooling, material characteristics, molding parameters, dimensional requirements, and the intended application. Developing a robust processing window helps improve manufacturing repeatability, reduce variation, minimize scrap, and maintain consistent product quality.

Medical-Grade Plastic Materials and Engineering Resins

Hi-Rel Plastics & Molding processes a broad range of medical-grade thermoplastics and engineering-grade plastic resins. Material selection depends on mechanical performance, chemical resistance, operating temperature, transparency, flexibility, dimensional stability, regulatory requirements, processing characteristics, and intended product application.

Materials may include:

  • Medical-grade Polycarbonate (PC)
  • Polypropylene (PP)
  • Polyethylene (PE)
  • ABS
  • Nylon / Polyamide (PA)
  • Thermoplastic Elastomers (TPE)
  • Thermoplastic Polyurethane (TPU)
  • Polybutylene Terephthalate (PBT)
  • Acetal (POM)
  • Acrylic (PMMA)
  • Polyether Ether Ketone (PEEK)
  • Polyetherimide (PEI / ULTEM)
  • Polyphenylene Sulfide (PPS)
  • Liquid Crystal Polymer (LCP)
  • Other customer-specified medical and engineering-grade resins

For regulated applications, resin grades, colorants, additives, material documentation, handling requirements, lot identification, and traceability can be managed according to customer specifications.

Precision Cleanroom Molded Medical Plastic Components

Our custom medical injection molding services support simple through highly engineered components requiring tight tolerances, complex geometries, repeatable performance, controlled material handling, and clean manufacturing environments.

Potential applications for our ISO Class 7 and ISO Class 8 cleanroom molding capabilitiesinclude:

  • Medical device housings and enclosures
  • Diagnostic equipment components
  • Diagnostic consumables
  • Laboratory and analytical components
  • Fluid-management components
  • Connectors and fittings
  • Surgical device components
  • Drug-delivery device components
  • Disposable medical components
  • Medical equipment components
  • Dental device components
  • Pharmaceutical components
  • Medical caps, covers, adapters, and connectors
  • Wearable medical device components
  • Electronic medical device housings
  • Precision healthcare plastic components

Each cleanroom injection molding program is evaluated individually because requirements for cleanliness, dimensional control, resin selection, inspection, testing, assembly, packaging, and documentation vary by product.

Medical Insert Molding and Overmolding

Hi-Rel Plastics & Molding provides medical insert molding and medical overmolding for products requiring multiple materials or integration of plastic with metal, electronic, or other premanufactured components.

Vertical injection molding can be particularly effective when inserts must be accurately positioned within a mold before resin is injected around them. Applications can include connectors, threaded inserts, terminals, electrical components, sensors, pins, bushings, and other integrated components.

Medical overmolding can combine rigid thermoplastics with flexible TPE or TPU materials to produce integrated products incorporating seals, grips, protective surfaces, ergonomic features, or other functional characteristics.

Where required, these manufacturing operations can be incorporated into an ISO Class 7 / Class 10,000 or ISO Class 8 / Class 100,000 cleanroom manufacturing program.

Cleanroom Medical Device Assembly and Secondary Operations

Injection molding is often only one stage of a complete medical manufacturing program. Hi-Rel Plastics & Molding provides cleanroom assembly and medical device secondary operations to help OEMs consolidate manufacturing processes with a single supplier.

Depending on project requirements, services can include ultrasonic welding, heat staking, heat insertion, adhesive bonding, precision trimming, pad printing, component assembly, labeling, leak testing, functional testing, dimensional inspection, visual inspection, cleaning, and packaging.

The availability of Class 10,000 and Class 100,000 cleanroom environments provides additional flexibility for molding, handling, assembly, inspection, and packaging programs with different cleanliness requirements.

For OEMs seeking turnkey medical device contract manufacturing, Hi-Rel Plastics & Molding can support projects from individual molded components through assembled and packaged products according to customer-defined requirements.

DFM and Medical Injection Mold Manufacturing

Successful cleanroom injection molding begins before production.

Our engineering team provides Design for Manufacturability (DFM) support to identify potential manufacturing challenges early in product development. Part geometry, wall thickness, draft, radii, gates, ejection, undercuts, tolerances, resin flow, shrinkage, cooling, weld lines, and assembly requirements can all influence product quality and manufacturing efficiency.

Hi-Rel Plastics & Molding also provides medical injection mold design and mold manufacturing services, providing customers with a coordinated pathway from product design and tooling through sampling and cleanroom production.

Tooling can be developed for prototype, bridge, low-volume, and high-volume manufacturing programs and can incorporate multi-cavity configurations, interchangeable inserts, hot-runner systems, insert molding features, automated handling, and other specialized tooling technologies.

Prototype Through High-Volume Cleanroom Injection Molding

Hi-Rel Plastics & Molding supports prototype cleanroom injection molding, low-volume medical molding, bridge production, and high-volume cleanroom injection molding.

Early-stage medical programs may require limited quantities for engineering evaluation, functional testing, design verification, qualification, or market introduction. Higher-volume programs can require multi-cavity tooling, automation, robotic handling, optimized cycle times, inventory management, and scheduled manufacturing programs.

Our combination of ISO Class 7 and ISO Class 8 cleanroom injection molding environments allows Hi-Rel Plastics & Molding to support a broad range of medical device manufacturing requirements as programs progress from development into commercial production.

California ISO Class 7 and ISO Class 8 Cleanroom Injection Molding Company

Hi-Rel Plastics & Molding Corp. provides Class 10,000 cleanroom injection molding, Class 100,000 cleanroom injection molding, ISO Class 7 cleanroom injection molding, and ISO Class 8 cleanroom injection molding services from Southern California.

Our capabilities support customers throughout Los Angeles, Orange County, Riverside, San Bernardino, San Diego, the Inland Empire, Southern California, Northern California, Silicon Valley, the San Francisco Bay Area, Sacramento, and across the United States.

Companies searching for a cleanroom injection molding company in California, medical injection molding company in Southern California, ISO Class 7 injection molding company in California, ISO Class 8 injection molding company in California, Class 10,000 medical injection molding manufacturer, or Class 100,000 medical injection molding manufacturer can work with Hi-Rel Plastics & Molding for engineering through production.

With more than 40 years of plastics manufacturing experience, Hi-Rel Plastics & Molding combines precision molding, engineering, tooling, quality management, cleanroom manufacturing, secondary operations, assembly, inspection, testing, and packaging capabilities.

Turnkey Cleanroom Medical Device Contract Manufacturing

Hi-Rel Plastics & Molding’s manufacturing capabilities allow medical OEMs to consolidate multiple operations with one experienced plastics manufacturing partner.

Our turnkey manufacturing capabilities can support:

Product Evaluation → DFM → Prototyping → Mold Design & Manufacturing → Mold Sampling → Process Qualification → ISO Class 7 / ISO Class 8 Cleanroom Injection Molding → Inspection → Secondary Operations → Cleanroom Assembly → Testing → Packaging → Production & Delivery

This integrated approach can help reduce supplier complexity, improve communication, simplify supply-chain management, and establish greater accountability throughout production.

Whether a program requires a precision molded medical component, complex insert-molded assembly, tight-tolerance diagnostic component, cleanroom assembled subassembly, or scalable commercial production, Hi-Rel Plastics & Molding can develop a manufacturing approach around the project’s specific requirements.

Why Choose Hi-Rel Plastics & Molding for Cleanroom Medical Injection Molding?

Medical device OEMs require a manufacturing partner capable of understanding quality, contamination control, precision molding, documentation, material requirements, tooling, process repeatability, assembly, and long-term production reliability.

Hi-Rel Plastics & Molding Corp. brings these capabilities together through:

  • ISO Class 7 / Class 10,000 cleanroom injection molding
  • ISO Class 8 / Class 100,000 cleanroom injection molding
  • ISO 13485:2016 certified quality management
  • ISO 9001:2015 and AS9100 Rev D certifications
  • More than 40 years of plastics manufacturing experience
  • Precision and tight-tolerance injection molding
  • Medical-grade and engineering-grade resin processing
  • Medical insert molding and overmolding
  • Micro and multi-cavity molding
  • Medical mold design and manufacturing
  • DFM and engineering support
  • Prototype through high-volume production
  • Cleanroom medical device assembly
  • Secondary operations
  • Inspection, testing, traceability, and quality documentation
  • Automated and robotic manufacturing capabilities
  • California manufacturing and project support
  • Turnkey medical device contract manufacturing

From initial product development through commercial production, Hi-Rel Plastics & Molding Corp. provides ISO Class 7 and ISO Class 8 cleanroom medical injection molding services for medical device companies requiring reliable, repeatable, precision plastic components and assemblies manufactured in controlled cleanroom environments.

Key Materials for Cleanroom Medical Injection Molding

  • Polyether Ether Ketone (PEEK): Ultra-high-performance thermoplastic with exceptional strength, chemical resistance, and high-temperature stability. Common in surgical instruments, implantable components, and demanding medical devices.
  • Polyetherimide (PEI, ULTEM): High-strength, flame-resistant thermoplastic with excellent dimensional stability and sterilization resistance, widely used in medical housings, connectors, and diagnostic equipment.
  • Polyphenylsulfone (PPSU): High-impact, hydrolysis-resistant material designed for repeated sterilization cycles, often used in surgical trays, reusable medical components, and fluid handling systems.
  • Polysulfone (PSU): Transparent, rigid thermoplastic with good thermal stability and chemical resistance, used in medical devices requiring clarity and sterilization compatibility.
  • Polycarbonate (PC): High-impact, transparent material used in medical housings, fluid reservoirs, and diagnostic device components requiring clarity and toughness.
  • Polypropylene (PP): Lightweight, chemically resistant thermoplastic widely used in disposable medical devices, syringes, containers, and fluid handling components.
  • High-Density Polyethylene / Low-Density Polyethylene (HDPE / LDPE): Durable, chemical-resistant materials used in medical packaging, fluid containers, caps, and tubing-related components.
  • Acrylonitrile Butadiene Styrene (ABS): Rigid, impact-resistant thermoplastic used in device housings, diagnostic equipment, and non-implantable medical components.
  • Thermoplastic Elastomer / Thermoplastic Polyurethane (TPE / TPU): Flexible, biocompatible materials used for seals, grips, tubing components, overmolded features, and soft-touch medical interfaces.
  • Liquid Silicone Rubber (LSR): Highly biocompatible elastomer used for seals, gaskets, valves, respiratory components, and implantable or skin-contact medical applications requiring flexibility and purity.

Common Cleanroom Medical Applications

  • Medical Devices & Diagnostics: Device housings, diagnostic instrument components, analyzers, test cartridges, sample handling systems, and precision structural components requiring high accuracy and clean manufacturing environments.
  • Drug Delivery Systems: Syringe components, auto-injector housings, inhaler parts, IV system components, pump housings, and disposable delivery devices requiring consistent performance and biocompatibility.
  • Surgical & Operating Room Products: Surgical instrument handles, trays, sterilizable tool components, clamps, housings, and reusable or single-use surgical system parts designed for repeated sterilization cycles.
  • Fluid Management & IV Systems: Connectors, manifolds, valves, reservoirs, tubing interfaces, and flow control components requiring leak-free performance and chemical resistance.
  • Respiratory & Patient Care Equipment: Mask components, ventilator parts, breathing system connectors, oxygen delivery components, and patient interface devices requiring precision and comfort.
  • In Vitro Diagnostic (IVD) Products: Test cartridges, microfluidic components, lab consumables, sample chambers, and precision diagnostic disposables used in laboratory and point-of-care testing.
  • Implantable & Skin-Contact Components: Biocompatible housings, flexible seals, soft-touch interfaces, and components designed for prolonged or direct patient contact.
  • Medical Packaging & Disposable Components: Sterile packaging components, trays, caps, closures, sample containers, and single-use disposable medical products designed for hygiene and contamination control.

Get started

Get Started with Hi-Rel Plastics Today!