FUNAS Engine Sound Insulation Materials – High Quality Noise Control
Enhance sound clarity and reduce noise with FUNAS Wholesale High-Density Acoustic Foam Sound-absorbing Sponge. Polyurethane sponge is a low density PU with foam density less than 18 kg/m3. This premium soundproof cotton delivers superior sound absorption, perfect for studios, offices, and home theaters. Optimize your acoustic environment now!
Product Description for FUNAS Engine Sound Insulation Materials
Discover elite protection for your machinery with FUNAS Engine Sound Insulation Materials—the solution for reducing engine noise and enhancing operational comfort. As a pioneer in advanced insulation technology since 2011, FUNAS integrates scientific research, production, and customer-centric service, ensuring every product meets the highest industry standards.
Our engine sound insulation materials offer superior performance thanks to advanced rubber and plastic composites, as well as rock wool and glass wool options. Designed for durability and high efficiency, these materials significantly decrease engine noise, contributing to safer, quieter, and more productive environments across multiple industries—including petroleum, petrochemical, electric power, metallurgy, coal chemical, central air conditioning, and refrigeration.
What sets FUNAS apart? Our unwavering commitment to quality and customization. We proudly hold CCC, CQC, CE, ROHS, CPR, UL, and FM certifications, and operate under rigorous ISO 9001 and ISO 14001 systems. This means every sound insulation material ensures reliable acoustic protection while being environmentally responsible.
With a 10,000-square-meter logistics center in Guangzhou, FUNAS guarantees rapid fulfillment, robust stock, and global distribution. Our insulation solutions are trusted in over ten countries—meeting both universal and specialized needs with our flexible brand customization services.
Upgrade your machinery’s sound control with FUNAS Engine Sound Insulation Materials—where cutting-edge technology, proven reliability, and personalized service come together for unparalleled acoustic performance.
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Our Advantages
Product customization capabilities
The difference between us and our competitors lies in our heat resistant insulation material product customization capabilities, covering size, specifications, color, packaging and other aspects to meet customers' personalized needs.
Strict quality assurance
Our best materials for insulation for heat have passed multiple international certifications, such as ISO/CE/UL, and each process has undergone strict quality inspection to ensure that every product is of high quality.
Rich industry experience
Through years of market practice and experience, we are well versed in the production process and technology of thermal insulation building materials to provide you with the most professional solutions.
Large-scale production capacity
Our large-scale production capacity ensures that your orders can be delivered on time; whether it is a minimum order of 500 pieces or N+ customized services, we can meet your needs with top-quality China heat insulation solutions.
Our Certifications
SGS test report of rubber and plastic formaldehyde-free 3
SGS-Fireproof Adhesive for Sheets
Test report-Angu national standard report
FAQ
How does your technical support work?
Our technical support team is available to guide you through every stage of your project—from product selection and design to installation. We provide expert consultation to ensure that you get the best insulation solution for your needs and can assist with troubleshooting if needed.
Can your insulation products be customized?
Yes, we offer customized solutions for insulation material wholesale to meet the specifications of your project, including custom specifications, sizes, foils and adhesives, colors, etc.
Are your rubber foam products environmentally friendly?
Yes, our insulation products are designed with sustainability in mind. They help reduce energy consumption by minimizing heat loss and gain, and they are made from durable materials that have a long life cycle, reducing the need for frequent replacement.
What types of rubber foam insulation do you offer?
We offer a wide range of rubber foam insulation with different thicknesses and specifications. Thermal insulation material manufacturer FUNAS sleeves and sheets are suitable for different application scenarios.
XPS Insulation Board – Extruded Polystyrene Foam Board
FUNAS XPS insulation board is a rigid extruded polystyrene foam board for building thermal insulation. Available in 30–100 mm thicknesses with approx. 300–400 kPa compressive strength options, it can be supplied for roof, wall, floor and under-slab insulation projects. Board dimensions, density and project specifications can be customized, with third-party test data available for compressive and thermal performance.
Glass Wool Insulation Rolls for Thermal & Acoustic Insulation
FUNAS glass wool insulation rolls are flexible fiberglass insulation rolls designed for thermal and acoustic insulation in metal roofs, steel buildings, warehouses and HVAC duct systems. The lightweight roll form is easy to cut, wrap and install over large areas, making it suitable for both building and industrial insulation projects.
Available as plain or foil-faced glass wool rolls, the product can be supplied in different densities, thicknesses, widths and roll lengths according to project requirements. Standard options include 32 kg/m³ and 48 kg/m³ density with 30 mm and 50 mm thicknesses.
NBR/PVC Rubber Foam Sheet & Roll Insulation
FUNAS manufactures flexible closed-cell NBR/PVC elastomeric foam insulation in sheet and roll form for HVAC ducts, large-diameter piping, chilled-water systems, tanks, vessels and mechanical equipment. B1 and B2 grades are available in standard and custom sizes, with plain, self-adhesive and aluminum foil-faced options for distributors, contractors and project procurement.
Rock Wool Blanket Roll for Thermal and Acoustic Insulation
FUNAS Rock Wool Blanket Roll is a flexible rock wool blanket supplied in continuous roll form for thermal and acoustic insulation. As a mineral wool blanket insulation product, it is suitable for roofs, walls, steel structures, equipment areas and large industrial surfaces where flexible coverage and easy cutting are required.
This mineral wool insulation roll is available in 80 kg/m³ and 100 kg/m³ densities with 40 mm and 50 mm thickness options. Density, length and width can be customized according to project requirements.




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