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Clean Booth in Clean Class 100.jpg
Clean Booth in Clean Class 100.jpg

Clean Booth in China: Factory Direct Suppliers for Class 100 Air Purification Solutions

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Introducing our high-quality clean booth, designed to meet the highest standards in air purification. Manufactured in China and backed by reliable suppliers, our clean booth features a robust frame, a sealed enclosure, and advanced high-efficiency filtration systems. Our factory focuses on creating a cost-effective solution for controlling particulate pollutants in a localized environment. With a straightforward physical structure and an efficient air purification cycle, our clean booth ensures optimal cleanliness and user satisfaction, making it the ideal choice for various applications.

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    Product Details

    🏭 Application Area

    Widely used across precision and regulated industries where contamination control is critical:

    🔌 Electronic component assembly and inspection
    🧪 Localized sterile operations in pharmaceuticals and laboratories
    🖥️ PCB and SMT production lines
    🔬 Precision instrument and optical product assembly
    🍶 Filling and inspection areas in the food and cosmetics industries
    🏗️ Clean Laminar Flow Hood Structure
    1. Main Frame Structure

    This is the "skeleton" of the clean booth, determining its overall shape, size, and stability.

    Materials

    Option 1Industrial Aluminum Profiles

    This is the most mainstream and common choice. Typically, high-quality aluminum alloy (such as 4040 or 4080 profiles) with an anodized surface finish. They offer the advantages of being lightweight, high-strength, corrosion-resistant, aesthetically pleasing, and easy to assemble and disassemble.

    Option 2Stainless Steel

    Primarily used in applications with extremely high requirements for cleanliness, corrosion resistance, or structural strength, such as in certain biopharmaceutical or food industries.

    Design Features

    Modular Design: The frame uses standardized components and connectors, allowing flexible assembly into booth bodies of different sizes (length, width, height), offering excellent scalability and adaptability.

    Stability: Stability is ensured through the use of reinforcing struts, leveling feet, or floor anchoring to prevent shaking caused by fan vibration or personnel contact.

    2. Enclosure Panel Structure

    These are the "walls" that form the enclosed space of the clean booth, directly impacting the sealing of the clean area and the maintenance of cleanliness.

    Materials

    Option 1Color Steel Sandwich Panels

    The most common material, typically consisting of steel sheets on the outside filled with core materials like Polystyrene (EPS), Polyurethane (PU), or Rock Wool. Rock wool color steel panels are widely used for their excellent fire resistance.

    Option 2Tempered Glass

    Often used for side or front panels, providing good visibility for observing internal operations. Can be fully transparent or frosted.

    Option 3Acrylic Sheets

    Serve as a lower-cost transparent material option, but with less strength and durability compared to tempered glass.

    Connection Method

    Panels are connected via specialized tongue-and-groove joints, with sealant applied strictly at the seams to ensure the booth is airtight, preventing the ingress of external contaminants.

    🌬️ The Efficiency of HEPA Filter
    🔵 HEPA Filter

    Filtering efficiency ≥ 99.97% for particles ≥ 0.3μm. Standard for most cleanroom applications.

    🟢 ULPA Filter

    A higher-grade filter, efficiency ≥ 99.999% for 0.1–0.2μm particles. Used in ultra-high standard fields like semiconductors and biosafety laboratories.

    The efficiency of HEPA Filter
    Clean Booth in Clean Class 100
    ⚙️ Air Filtration System

    💡 This is the "heart" of the clean booth — core to creating and maintaining the clean environment.

    Core Components

    FFU (Fan Filter Unit): The most critical component of a clean booth. It is a modular unit integrating a HEPA filter and a fan. FFUs are installed on the ceiling grille of the booth structure.

    Fan: Provides the power for air circulation, pushing air downward from the FFU.

    Airflow Patterns
    ⬇️ Vertical Laminar Flow

    The most common form. FFUs are installed on the top, causing clean air to flow vertically downward like a piston, carrying away contaminants. Air is returned through bottom or side return air panels, passes through pre-filtration, and is drawn in again by the FFU fan — forming a complete cycle.

    ➡️ Horizontal Laminar Flow

    FFUs are installed on the side, causing air to flow horizontally. Suitable for certain specific process requirements.

    ❓ Frequently Asked Questions
    1 What industries commonly use Clean Laminar Flow Hoods?
    Clean laminar flow hoods are widely used in electronics manufacturing (PCB and SMT lines), pharmaceutical and laboratory environments, precision instrument and optical product assembly, and the food and cosmetics industries — anywhere that contamination-free conditions are essential.
    2 What is the difference between HEPA and ULPA filters?
    HEPA filters achieve a filtration efficiency of ≥ 99.97% for particles ≥ 0.3μm, making them suitable for most cleanroom applications. ULPA filters offer a higher efficiency of ≥ 99.999% for particles as small as 0.1–0.2μm, and are used in ultra-sensitive environments such as semiconductor fabrication and biosafety laboratories.
    3 Why is aluminum profile the most popular frame material for clean booths?
    Industrial aluminum profiles (such as 4040 or 4080 series) with anodized surface finish are favored because they are lightweight yet strong, corrosion-resistant, visually clean, and easy to assemble or reconfigure. Their modular nature also makes it simple to adjust the booth size to meet changing production requirements.
    4 What is the role of an FFU (Fan Filter Unit) in a clean booth?
    The FFU is the core component of a clean booth's air filtration system. It combines a fan and a HEPA filter in a single modular unit installed on the ceiling of the booth. The fan draws in recirculated air and forces it through the HEPA filter, delivering a continuous supply of clean, particle-free air into the working area.
    5 What is the difference between vertical and horizontal laminar airflow?
    In vertical laminar flow, FFUs are mounted on the ceiling and clean air flows straight down like a piston, sweeping contaminants to the floor and out through return air panels — this is the most common configuration. In horizontal laminar flow, FFUs are mounted on one side wall and air flows across the workspace horizontally, which may be more suitable for specific process layouts or product orientations.
    6 What panel materials are used to enclose a clean booth, and how are they sealed?
    Clean booth enclosures are commonly made from color steel sandwich panels (with EPS, PU, or rock wool cores), tempered glass (for visibility), or acrylic sheets (a cost-effective transparent option). All panels are connected using tongue-and-groove joints and sealed with sealant at every seam to ensure the booth remains airtight and protected from external contamination.