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What are Clean Rooms in Manufacturing?

2025-08-12

Clean rooms are specially designed controlled environments in manufacturing that minimize contamination risks during production by strictly regulating airborne particles, temperature, humidity, and air pressure. These specialized spaces are critical for many high-tech and precision manufacturing industries.

Core Features of Clean Rooms

Air Quality Control

Use of HEPA/ULPA high-efficiency filters
Maintenance of specific airflow patterns (laminar or turbulent)
Controlled air changes (up to hundreds per hour)

Environmental Parameter Control

Precise temperature (typically 20-22°C) and humidity (30-50% RH) regulation
Maintenance of positive or negative pressure (to prevent external contamination or internal pollutant leakage)

Personnel and Material Management

Strict dress codes (cleanroom suits, gloves, masks, etc.)
Specialized procedures for material transfer (airlocks, disinfection passages)

Major Application Industries

Semiconductor and Electronics Manufacturing

Chip production requires ISO Class 3-5 clean rooms
Prevents dust from damaging delicate circuits

Pharmaceuticals and Biotechnology

Sterile drug manufacturing requires ISO Class 5-7
Essential for vaccine and biologics production

Medical Device Manufacturing

Implantable device production environments
Packaging of disposable medical supplies

Aerospace

Satellite and spacecraft assembly
Precision optical component manufacturing

Food and Cosmetics

Sterile packaging environments
Handling of highly sensitive ingredients

Clean Room Classification Standards

ISO Class	≥0.5μm Particles/m³	Typical Industry Applications
ISO 3	≤1,000	Semiconductor lithography
ISO 5	≤3,520	Pharmaceutical sterile filling
ISO 7	≤352,000	Medical device assembly
ISO 8	≤3,520,000	Food packaging

Prefab Cleanroom

Air Shower

Pass Box

Fan Filter Unit

Downflow Booth

Air Filter

Air Filter Hepa Box

Fresh Air Cabinet

Laminar Flow Hood

Laminar Flow Ceiling

Laboratory Equipment

Fume Hood

Laboratory Bench

Laminar Flow Clean Bench

Biological Safety Cabinet

Stainless Steel Equipment

Pharmaceutical Equipment

Industrial Water Treatment Equipment

What are Clean Rooms in Manufacturing?