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

Introducing our advanced impact noise reduction solution, perfect for enhancing floor systems in residential buildings, hotels, offices, schools, and hospitals. Manufactured in China, our product is crafted from high-quality microcellular polyurethane elastomer using innovative continuous casting techniques, Designed for exceptional durability, this material resists corrosion, acids, alkalis, oils, mold, insects, and aging. With an impressive operating temperature range of -20°C to 90°C, our product offers a service life exceeding 60 years with no maintenance required, Acoustic and fire performance are also prioritized, with a remarkable ≥20 dB improvement in impact sound pressure level (A-weighted) and flame retardancy rated at ≥ BAvailable in thickness ranges from 2–30 mm, our product complies with essential standards, including GB50118-2010, HG/T5328-2018, and specific client specifications, As a leading factory and supplier in China, we are committed to providing high-quality solutions tailored to meet your noise reduction 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.

    Flexible Conformity

    Conforms tightly to concrete slabs without leaving voids or gaps, eliminating hollow spots, localised deformation, or uneven load transfer.

    Uniform Load Distribution

    Maintains uniform load distribution across the pad under both static (dead) and dynamic (live) loads.

    Long-Term Reliability

    Does not experience permanent thickness loss or creep over time, ensuring long-term acoustic and structural reliability.

    Frequently Asked Questions

    Q How does the Polyurethane Vibration & Sound Isolation Pad conform to concrete slabs?

    The inherent flexibility of the Polyurethane Vibration & Sound Isolation Pad allows it to conform tightly to concrete slabs without leaving voids or gaps.

    Q What issues are prevented by the pad's close fit?

    The close fit eliminates issues such as hollow spots, localised deformation, or uneven load transfer.

    Q How does the pad perform under static and dynamic loads?

    Load distribution across the Polyurethane Vibration & Sound Isolation Pad remains uniform under both static (dead) and dynamic (live) loads.

    Q Does the isolation pad experience thickness loss over time?

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

    Q What ensures the long-term acoustic and structural reliability of the pad?

    Its resistance to permanent thickness loss and creep over time ensures the long-term acoustic and structural reliability of the system.

    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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