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China Suppliers Factory Polyurethane Vibration & Sound Isolation Pad for Recording Studios and Theaters

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    Product Details

    Polyurethane Vibration Isolation Pad for Building Foundations

    Mechanical & Chemical Properties

    This Polyurethane Vibration Isolation Pad for Building Foundations offers excellent buffering capacity, supporting loads up to 30 t/m². It delivers outstanding passive and active isolation effects. The pad is suitable for use as a plane bearing under cast-in-place concrete slabs. It resists chemical attack from oil, acids, and alkalis. The Polyurethane Vibration Isolation Pad for Building Foundations withstands high static and dynamic stresses, with a compression set of no more than 5%.

    Supports Loads up to 30 t/m²
    Active & Passive Isolation
    Resists Oil, Acids & Alkalis
    Compression Set ≤ 5%

    Frequently Asked Questions

    What is the load capacity of the Polyurethane Vibration Isolation Pad?

    This isolation pad offers excellent buffering capacity and is capable of supporting loads up to 30 t/m², making it highly suitable for heavy building foundations.

    How does the pad perform in terms of vibration isolation?

    It delivers outstanding passive and active isolation effects, successfully mitigating vibration transmission in foundation applications.

    Can it be used directly under cast-in-place concrete slabs?

    Yes, the pad is ideally designed to be used as a plane bearing directly under cast-in-place concrete slabs.

    What chemicals is the Polyurethane Vibration Isolation Pad resistant to?

    The pad is formulated to resist chemical attacks from oil, acids, and alkalis, ensuring long-term durability in harsh environments.

    What is the compression set of this isolation pad?

    It is designed to withstand high static and dynamic stresses, maintaining a compression set of no more than 5%.

    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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