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Polyurethane Vibration & Sound Isolation Pads from China Suppliers - Factory Direct for Impact Noise Reduction

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Application: This premium microcellular polyurethane elastomer is specifically designed for impact noise reduction in various floor systems, including residential buildings, hotels, offices, schools, and hospitals across China.
Material & Process: Manufactured using advanced continuous casting techniques, ensuring superior quality and performance.
Durability: Our product boasts exceptional resistance to corrosion, acids, alkalis, oils, mold, insects, and aging, providing an operating temperature range of -20°C to 90°C. With a service life exceeding 60 years and requiring no maintenance, it’s an investment you can trust.
Installation Benefits: The high flexibility of our elastomer ensures tight bonding with concrete slabs, effectively preventing hollow spots or deformation during installation.
Load Performance: It offers outstanding load performance with even stress distribution under both static and dynamic loads, supporting load capacities of up to 5 t/m² without any thickness loss.
Acoustic & Fire Performance: Achieve at least a 20 dB improvement in impact sound pressure level (A-weighted), along with flame retardancy rated at ≥ B1, making it a safe choice for various applications.
Thickness Range: Available in thicknesses from 2 to 30 mm, catering to diverse project needs.
Compliance: Our product meets the stringent standards of GB50118-2010, HG/T5328-2018, and aligns with client specifications, affirming its quality as a leading choice in China.
As reliable suppliers and experienced factory manufacturers, we are committed to delivering top-notch solutions for your flooring needs.

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    Product Details

    The inherent flexibility of the Polyurethane Vibration & Sound Isolation Pad allows it to conform tightly to concrete slabs without leaving voids or gaps. This close fit eliminates issues such as hollow spots, localised deformation, or uneven load transfer. Load distribution across the Polyurethane Vibration & Sound Isolation Pad remains uniform under both static (dead) and dynamic (live) loads. The Polyurethane Vibration & Sound Isolation Pad does not experience permanent thickness loss or creep over time, which ensures long-term acoustic and structural reliability.

    Seamless Conformity

    Conforms tightly to concrete slabs to eliminate voids, gaps, and hollow spots completely.

    Balanced Load Distribution

    Ensures uniform load distribution under both static (dead) and dynamic (live) structural loads.

    Long-Term Reliability

    Prevents permanent thickness loss and creep over time, maintaining acoustic and structural integrity.

    Frequently Asked Questions

    How does the Polyurethane Isolation Pad prevent voids under concrete slabs?

    Its inherent flexibility allows it to conform tightly to the concrete slab, ensuring a close fit that leaves no gaps or voids.

    What structural issues does the isolation pad eliminate?

    By providing a seamless fit, the pad eliminates hollow spots, localized deformation, and uneven load transfer.

    Does the pad perform well under dynamic loads?

    Yes, the pad maintains a uniform load distribution under both static (dead) and dynamic (live) loads.

    Will the isolation pad lose its thickness over time?

    No, the Polyurethane Vibration & Sound Isolation Pad does not experience permanent thickness loss or creep over time.

    How does the pad ensure long-term acoustic reliability?

    Because it resists creep and permanent thickness loss, it provides consistent, long-term acoustic and structural performance.

    Technical Specifications

    Item

    Unit

    EN standard requirement

    Thickness*

    mm

    7-15

    Static stiffness*

    N/mm³

    0.02-0.25

    Insulation resistance

    Ω

    ≤10⁸

    Compression set

    %

    ≤ 10

    Applicable standards

    DIN

    DIN 45673-7:2010

    Change after 10 million load cycles

    Static stiffness & thickness variation

    %

    ≤ 10

    Items with * can be customized according to the line requirements.
    Custmized Railway Ballast Vibration Reduction Mat EN Standard101

    Application

    Widely used across China’s rail network, the Elastic Ballast Mat delivers proven results. Installed under the ballast bed, it boosts track elasticity, cuts down ballast breakage, and improves load distribution—especially on curves and turnouts. Designed with a puncture-resistant top layer and an elastic damping layer, Ballast Mat performs reliably with or without retaining walls.

    Quality Assurance

    We have designed, manufactured, and exported ballast mats for over 20 years. Our products are installed on more than 40 metro lines across major Chinese cities like Beijing, Shenzhen, Wuxi. Customer satisfaction stands at 98%.
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    Before leaving our factory, the ballast mats will be tested strictly according to standard requirements . For customers who require more, we carry out type tests at our in-house testing centre. 

    Tests include:
    • Fatigue testing
    • Static and dynamic stiffness measurement
    • Tensile testing

    This process verifies Elastic Ballast Mat reliability under real working conditions.
    • Custmized-Railway-Ballast-Vibration-Reduction-Mat-EN-Standard01_01
    • Custmized-Railway-Ballast-Vibration-Reduction-Mat-EN-Standard01_03
    Custmized Railway Ballast Vibration Reduction Mat EN Standard101

    Production Capacity

    We handle Ballast Mat production in-house at our dedicated continuous foaming workshop. The facility runs on an automated German production line, giving us consistent quality and high output. Current annual capacity stands at 900,000 square metres of Railway ballast vibration reduction mat.

    Custom Mould Design & Manufacturing

    – In-House, Start to Finish
    Our Mould Engineering Department operates a full digital workshop equipped with more than 20 CNC machines, including machining centres, spark eroders, and wire cutters. This allows us to design and manufacture a wide range of moulds for the rail transit industry – injection moulding, rubber, SMC, and specialised types such as auto-core-pulling bush moulds.

    Annual output stands at 300 sets of moulds and tooling.

    If your project calls for a non-standard shape for Elastic Ballast Mat, a special material, or a unique production feature, we have the equipment and the experience to deliver.
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    Custmized Railway Ballast Vibration Reduction Mat EN Standard06

    Packaging & Shipping Options

    We keep packaging practical and flexible. Customer choose what works best for their order.
    Outer packaging is included as standard.
    For pallets, we offer two options:
    • Plywood pallets – for standard shipments
    • Solid wood fumigated pallets – certified for export where required
    • All packaging follows standard export practices.
    If you have specific labelling or marking requirements, let us know in advance.
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