Clean Room Injection Molding Service
Holly is a leading injection molding factory in China, dedicated to delivering high-quality Clean Room Injection Molding services. We strictly adhere to the ISO9001 quality system, ensuring that our processes meet the highest industry standards. Our advanced clean room injection molding machines are equipped with specialized processing systems that maintain a dust-free environment, along with controlled temperature and humidity levels. This guarantees that every product we manufacture meets stringent quality requirements.
Our professional team at Holly is skilled in shaping, assembling, and packaging products within our clean room environment. This meticulous approach not only protects the integrity of your parts but also allows you to focus on your core business activities, such as marketing and sales. By choosing Holly, you benefit from our expertise and commitment to quality, ensuring that your products are handled with care.
The clean room injection workshop at Holly is ideally suited for industries such as medical, optical, and electronics, where precision and cleanliness are paramount. As your value-added partner in clean room injection molding, Holly is dedicated to helping you achieve your production goals while maintaining the highest standards of quality and efficiency.
Explore Clean Room Injection Molds
Holly specializes in Clean Room Injection Molding, providing high-precision, contamination-free solutions for medical, pharmaceutical, and high-tech industries. Our mold categories include single-cavity molds, multi-cavity molds, family molds, and micro-molds, designed for medical devices, diagnostic equipment, pharmaceutical packaging, and electronic components. Operating in a controlled cleanroom environment, we ensure strict hygiene standards, precision molding, and high consistency, meeting ISO 13485 and FDA regulatory requirements. Our advanced technology guarantees reliable, high-quality production for sensitive applications.

Tip Mold

Medical Tube Mold

Medical Graduate Mold

Cap Mold
Clean Room Injection Molding Materials Available
ABS
ABS is a versatile and cost-effective thermoplastic widely used in injection molding. Known for its strength, impact resistance, and heat stability, it is ideal for automotive, consumer electronics, and industrial applications. ABS offers excellent mechanical properties, and easy processing, and can be modified with additives for enhanced flame retardancy or UV resistance. It supports various surface finishes, including painting and plating, making it suitable for both functional and aesthetic components.
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PP
PP (Polypropylene) is an ideal choice for Clean Room Injection Molding due to its excellent chemical stability, low contamination, and good heat resistance. PP materials generate fewer particles in clean room environments, making them suitable for industries that require strict control of cleanliness. Common applications include medical device components, pharmaceutical packaging, and disposable medical tools, such as syringes and bottle caps, which can meet high hygiene standards and corrosion resistance requirements.
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PE
Polyethylene (PE) is ideal for Clean Room Injection Molding due to its excellent chemical resistance, low particulate generation, and ease of sterilization. Its inert nature ensures minimal contamination, making it suitable for medical and pharmaceutical applications. For instance, PE is commonly used to produce sterile containers, surgical instrument components, and cleanroom-compatible packaging, ensuring high hygiene standards and product integrity.
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PVC
PVC(Polyvinyl Chloride ) is a versatile material suitable for Clean Room Injection Molding due to its chemical resistance, durability, and ease of sterilization. It is commonly used in medical and pharmaceutical applications, such as fluid bags, tubing, and cleanroom-compatible packaging, where maintaining a contaminant-free environment is critical. PVC’s flexibility and strength make it ideal for producing components that require both precision and hygiene.
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PC
PC (Polycarbonate) is an engineering plastic known for its excellent transparency and impact resistance, widely used in various fields. Due to its outstanding optical properties and heat resistance, PC is commonly used to manufacture optical lenses, transparent shields, and electronic device housings. It also has good UV resistance, making it suitable for outdoor applications.
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PA
PA (Polyamide) is well-suited for Clean Room Injection Molding due to its excellent chemical resistance, low moisture absorption, and ability to withstand high temperatures. These properties make it ideal for producing precision parts in contamination-sensitive environments. PA is commonly used for medical device components, electronics housings, and industrial equipment in clean rooms, where hygiene and performance are critical. For example, PA is used in manufacturing connectors, filters, and housings for medical devices and pharmaceutical equipment, ensuring high reliability and cleanliness.
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POM
POM(Polyoxymethylene) is widely used in automotive, electrical, and consumer goods industries. Examples include gears, bearings, bushings, and mechanical components. It’s often chosen for its high dimensional stability and ability to withstand harsh operating conditions. For instance, POM is used in manufacturing gears for automotive transmissions and medical device components, ensuring smooth and reliable performance.
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Clean Room Injection Molding Finishing Options
Name | Description |
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Polishing | Polishing can smooth the surface, reduce friction, and improve appearance, creating a glossy finish. |
Plating | Plating enhances corrosion resistance and wear resistance while providing a smooth, cleanable surface. |
Texturing | Creates a matte or satin surface to reduce friction, improve grip, and enhance the tactile feel of components. |
Laser Etching | Laser etching provides precise marking or part identification without compromising surface integrity. |
Anodizing | Anodizing creates a durable oxide layer on aluminum, improving corrosion resistance and providing a clean finish. |
Coating (UV) | UV coating provides a smooth, protective surface that resists dirt accumulation and is easy to clean. |
China Clean Room Injection Molding Manufacturer FAQ
Clean Room Injection Molding Service – Ultimate FAQ Guide
In the following guide, you will know everything about Clean Room Injection Molding.
Clean room injection molding is widely used in many industries such as optics, electronics, precision manufacturing, medicine, and health. According to the precision requirements of the industry and production process, the clean room of injection molding changes greatly, and the purification level needs to be analyzed case by case.
The company cooperates with many scientific research and medical institutions, has the rich practical experience, and can produce products that meet the standards. As a professional clean room injection molding manufacturer, we have more than 20 years of production experience. Holly serves you wholeheartedly.
You can inquire about any questions you want to know about clean room injection molding. like:
- What is clean room injection molding?
- What are the requirements for clean room injection molding?
- What is Holly’s clean room injection molding standard?
For further communication, please feel free to contact the Holly team. Here is a list of frequently asked questions about clean room injection molding.
1. What products are the clean room injection molding processes usually used for?
Typical applications of clean room injection molding processes in the industry are as follows:
- Electronic product manufacturing.
- Medicine packaging.
- Manufacturing of medical plastic products.
- Automobile manufacturing industry.
2. What is the composition of the clean room injection molding room?
A clean room (area) is the working environment required for the production and inspection of medical devices. During production, functional rooms should be included corresponding to the production process, such as injection rooms, drying rooms, etc. It should include functional rooms related to testing, such as positive control room, sterile room, and microbial limit room; Production auxiliary function room, such as laundry room, sanitary warehouse, etc. Various functions are connected with the buffer transition channel.
3. What are the main factors that affect the cleanliness of the clean room (area)?
- The characteristics of medical devices.
- Medical device production technology.
- Personnel, facilities, sanitary requirements, and utensils.
- Atmospheric Environment.
4. How to clean, disinfect and disinfect the clean room (area)?
Commonly used surface disinfection and sterilization methods include ultraviolet lamp irradiation, ozone contact, gas fumigation such as peroxyhexanoic acid, alkylene oxide, and disinfectant spraying.
Disinfection and sterilization is the main method to get rid of microbial contamination, but to ensure the thoroughness of disinfection and sterilization, manufacturers must formulate disinfection and sterilization procedures and regularly verify their effectiveness.
5. What are the common defects in the production of medical syringes when using a clean room?
When using a clean room, the common defects in the production of medical syringes are as follows:
Defects such as shrinkage, white spots, wave marks, and flashing appear on the surface of the needle cover of medical syringes.
6. What are the characteristics of a clean room in the electronics manufacturing industry?
The characteristics of clean rooms in the electronics manufacturing industry are as follows:
1) Clean rooms in the electronics manufacturing industry have extremely strict requirements for static electricity, especially humidity. Under normal circumstances, the temperature of the electronics workshop should be controlled at around 22, and the relative humidity should be controlled between 50-60% (special clean workshops have relevant regulations on temperature and humidity). Because an excessively dry workshop is prone to static electricity, which leads to damage to the CMOS integration.
2) The noise level (empty state) of the class 10000 clean room of the electronics manufacturing plant: no more than 65db (a).
3) The filling rate of the vertical flow clean room of the clean room of the electronics manufacturing plant should not be less than 60%, and the horizontal one-way flow clean room should not be less than 40%, otherwise, it will be a partial one-way flow.
4) The static pressure difference between the clean room and the outdoor. It should not be less than 10Pa, and the static pressure difference between clean and non-clean areas with different air cleanliness should not be less than 5Pa.
7. What are the basic characteristics of a biopharmaceutical clean room?
The basic characteristics of the biopharmaceutical clean room injection molding room are as follows:
- The decontamination room of biopharmaceuticals must take dust particles. Microorganisms are used as environmental control objects.
- There are four levels of store cleaning: 100 or 10000, local 100, 1000, 10000, and 30000.
- Clean room temperature: no special requirements, at 18 ~ 26 degrees, relative humidity controlled at 45% ~ 65%.
- Pollution Control in the clean workshop of biopharmaceuticals: pollution source control, decentralized process control, and cross-contamination control.
- The key technology of the clean room in the biopharmaceutical industry is mainly to control dust and microorganisms as pollutants. Microbes are the most important part of the clean room environment control.
8. What are the requirements for a clean room workshop for pharmaceutical packaging?
The requirements for the clean room workshop of pharmaceutical packaging are as follows:
- Provide the level of air purification required for production, and regularly detect and record the number of air dust particles and living microorganisms in the purification project of the packaging workshop. There should be no static pressure difference between the levels of packaging workshops.
- The temperature and relative humidity of the purification project of the packaging workshop should be compatible with the requirements of the production process.
- The production areas of penicillin, hypersensitivity drugs, and antitumor drugs should be equipped with independent air conditioning systems, and the exhaust gas should be purified.
- For the dust room, an effective dust-catching device should be installed to prevent cross-contamination of dust.
- For auxiliary production rooms such as storage, ventilation facilities, temperature and humidity, they should meet the requirements of pharmaceutical production and packaging.
9. What is clean room injection molding?
Clean room molding is the creation of plastic parts in a special room to reduce the risk of dust or other particle contamination. Clean room molding is widely used in medical, pharmaceutical, aerospace, military, biotechnology and other industries.
There are 9 “levels” of clean rooms, level 1 is the most sterile, and level 9 is the least sterile. In a clean room, most plastic injection molding is carried out in a class 7 or 8 clean room. This is a standard required by any portable device.
10. What are the requirements for clean room injection molding?
Positive airflow: In order to ensure the purity of the air and maintain a strict environment and particle count, the level 7 and 8 injection molding clean rooms use positive airflow to ensure specific particulate matter.
Wear protective clothing: Clean room injection molding is a restricted area. Authorized personnel must be allowed to enter the clean room and must cover their entire body, including shoe covers, a full set of protective clothing and hair covers. All clothing must be replaced immediately after being contaminated.
Motor: In order to avoid more particles in the air, in a clean room injection molding environment, a motor replaces a hydraulic press.
Packaging requirements: Some corrugated packaging will produce extra particulate matter, so it is not allowed to be used in a clean room.
Coated cardboard or plastic packaging is the most common. The Chemmar clean room has been used in a wide range of custom molding applications for more than 20 years, and it strictly meets the requirements of the industry’s ISO 14644 requirements. It is especially suitable for medical components that require compliance with ISO 13485 standards. Through engineering stages, such as product design, project management, mold construction, material selection and product testing, it provides a competitive advantage for clean room molded plastics.
11. What is Holly’s clean room injection molding standard?
Clean room injection molding standards are as follows:
- Scientific molding method
- Tight tolerances
- Flame retardant
- Antifouling
- anti-static
- Anti-skid
- Antibacterial
- Antioxidants
- Compressed air filtration system
- Vacuum bag sealing machine
12. When a customer requests injection molding in a clean room, what service does Holly provide?
- Product design
- Design review (DFM/mold flow analysis, tolerance analysis, feasibility study)
- 3D printing or prototype mold
- Mould.
- Injection
- Mass production
- Tool maintenance.
- Technical support and service.
13. What must the clean room injection molding workers strictly pay attention to?
One point that injection molders must strictly pay attention to is:
- Quality control system.
- Process documentation.
- Working environment
- Risk management.
- Operation training
14. What kind of medical products need to be injection molded in a medical clean room?
The medical parts that need to be injection molded in a medical clean room are as follows:
- Medical equipment housing
- Surgical instruments
- Implant
- Emergency room products
- Fluid delivery device
- Fluid delivery container
- Heart products
- Send blood room
- Optical grade lens
- Dental products
- Medical equipment housing
- Surgical instruments
- Urgently plantable
- Fluid delivery device
- Fluid delivery container
- Heart products
15. What plastic materials are commonly used in medical clean room injection molding?
Plastic materials commonly used in injection molding in medical cleanrooms are as follows:
- PC / ABS
- Abdominal muscles
- Acetal
- HDPE
- LDPE nylon stockings
- TPE
16. What to consider for a clean room?
- Quality control systems, such as HEPA filters and hoods, monitor, manage. Remove particles and dust, otherwise, it may cause the required number of contaminated particles to fall outside the specifications of the ISO 7 and ISO 8 clean room standards.
- Process documentation, physically tracking the process life cycle, die drawing cycle, and equipment/product testing, so that the controlled conditions can be verified at any time in the case of repeated cycles, routine inspections, customer requirements, or program deviations.
- Work environment control to detect the purity of air quality and regular, comprehensive equipment inspections to discover and deal with contaminants generated during production, such as sprayed parts, peeled or shaved bottom edges, and microscopic plastic parts particles. In addition, if machine maintenance is not done well, pollutants may be introduced. For example, ingredients with too much oil can be particularly harmful.
- During maintenance, if you do not do well, you can introduce contacts. For example, parts that are overly lubricated may be particularly prone to fall off.
- Carry out risk management by implementing specific analysis modules such as Fault Tree Analysis (FTA), Failure Mode and Impact Analysis (FEMA), Hazard Analysis and Critical Control Points (HACCP). Understanding and evaluating microbiological risks helps injection molding plants determine acceptable limits and develop consistent pollution control assessments during the production process.
- The traceability requirements for implantable medical products, non-implantable medical devices, life-sustaining devices used outside medical facilities, and all other complex applications regulated by FDA that intend to stay in the human body for more than one year, these applications The failures of this group can also have serious and adverse health consequences.
- The machine operator must fully follow the procedures in the clean room, because corner cutting is unacceptable. In addition, they must strictly observe the wearing of protective equipment such as gloves, gowns, masks and boots to protect the clean room environment and injection molded parts from contamination.
17. What is the classification of clean rooms?
In addition to ISO and CFR standards, clean room injection molding environments are also classified, usually classified as ISO 7 or ISO 8. The former refers to the clean room containing 10,000 pollution particles per cubic foot, and the latter refers to the clean room containing 100,000 pollution particles per cubic foot. The type of clean room used for production is determined by the specific product and/or customer requirements.
18. How to maintain clean room standards?
Complex medical applications need to protect equipment and equipment from dust, chemical vapors, aerosol particles, airborne microorganisms, and other pollutants, which can compromise product quality, integrity, and safety.
Injection molders responsible for providing services to medical manufacturers are obliged to comply with strict agreements. In addition to operating in a clean room that complies with ISO 13485:2016 certification and 21 CFR 820 (the current quality standard). MedAccred certification ensures that medical OEMs meet unparalleled benchmarks in terms of production and quality standards.
19. Do you want to ensure the smooth serial production of high-end injection molded parts under clean production conditions?
If you need clean room injection molding services, Holly provides corresponding clean room solutions: Only first-class: everything from stand-alone machines to fully automated turnkey systems comes from expert sources. Used directly in your clean room, docked with the clean area, or as a separate clean room unit. Holly’s advanced technology and in-depth expertise work hand in hand. This is a kind of dust-free workshop production, nothing is satisfactory.
20. Why choose Holly as a clean room injection molding supplier?
1) Standards and guidelines
Protect injection molded parts from airborne pollutants such as dust particles, bacteria, or viruses? To this end, it is necessary to limit the negative effects produced during the production process and prevent them from contacting the product.
A high-quality ventilation system can achieve this in practice. Take air conditioning as an example. The core rule that defines a clean room is the EN ISO 14644 standard. This can be supplemented by further EN ISO, VDI, and VDA standards, GMP (Good Manufacturing Practice) specifications, EU and US FDA (Federal Drug Administration) directives, and personal and corporate standards.
2) Qualified and verified
In order to meet the requirements of ISO 13485 and GMP, we provide comprehensive qualification documents for all talents. It includes standard machine configuration, operation manual, function description, maintenance cycle, cleaning instructions, spare parts list, establishment plan, and circuit diagram. If necessary, the inspection log can be used as proof of machine performance. In order to maintain the repeatability of the injection molding machine, you can sign a service contract with us to ensure regular re-verification.
3) Important: cleaning operation
To maintain a clean production environment, clean rooms and all production facilities must be cleaned and disinfected regularly. The injection molding technology we provide is easy to clean, which improves operating efficiency accordingly. In addition, the specific hygiene measures of the staff are also decisive. Special work clothes and work instructions (cleaning procedures before and after work in the clean room) are required, without exception.